Williams Pérez

Free Agent (A+)

Age: 33

Bats/Throws: R/R

6'0" / 240

DOB: 5/21/1991

(33 years, 11 months, 7 days)

Stats

Minor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2009	ATL	R	18	2	2	0	17	11	69.0	7.43	1.96	0.39	.247	77.2%	43.8%	3.6%		2.35		3.04	2.87
2010	ATL	R	19	0	6	0	12	11	54.1	7.12	1.33	0.50	.360	60.6%	50.0%	5.5%		5.63		3.63	3.50
2011	ATL	R	20	2	0	0	6	2	15.0	6.60	1.80	0.60	.288	62.5%	35.3%	4.2%		1.80		3.42	3.58
2011	ATL	R	20	2	0	0	7	4	24.1	9.99	5.18	0.37	.359	79.8%	49.2%	4.0%		3.33		4.56	5.09
2011	ATL	MiLB	20	4	0	0	13	6	39.1	8.69	3.89	0.46	.328	74.8%	43.1%	4.1%		2.75		4.13	4.51
2012	ATL	R	21	4	3	1	13	9	56.1	8.63	1.44	0.80	.302	60.0%	65.6%	13.5%		4.15		3.63	3.07
2013	ATL	A	22	5	4	0	14	13	70.0	7.59	2.31	0.64	.329	69.0%	55.8%	9.1%		4.24		3.62	3.37
2013	ATL	A+	22	6	2	0	9	9	55.0	7.69	2.95	0.65	.286	76.1%	52.2%	8.2%		2.62		3.68	3.47
2013	ATL	MiLB	22	11	6	0	23	22	125.0	7.63	2.59	0.65	.310	72.0%	54.2%	8.7%		3.53		3.65	3.41
2014	ATL	AA	23	7	6	0	26	25	133.0	6.36	2.64	0.27	.283	73.4%	57.8%	3.8%		2.91		3.29	3.61
2015	ATL	AAA	24	3	1	0	8	8	38.2	8.38	2.33	0.23	.292	84.1%	50.5%	3.2%		1.16		2.48	2.86
2015	ATL	ST	24	0	1	0	3	0	6.1	8.53	5.68	0.00	.519	50.0%	44.4%	0.0%		12.79		3.59	5.17
2015	ATL	MLB	24	7	6	1	23	20	116.2	5.63	3.93	1.00	.318	72.2%	50.9%	12.0%	89.8	4.78	5.20	4.87	4.79	0.0
2016	ATL	R	25	0	0	0	1	1	3.0	9.00	0.00	0.00	.250	100.0%	50.0%	0.0%		0.00		2.33	2.68
2016	ATL	A	25	0	1	0	1	1	3.0	6.00	6.00	0.00	.500	45.5%	46.2%	0.0%		18.00		6.07	7.01
2016	ATL	AAA	25	1	2	0	4	4	24.1	8.88	2.59	0.74	.224	69.3%	62.1%	11.8%		2.59		3.25	2.92
2016	ATL	MiLB	25	1	3	0	6	6	30.1	8.60	2.67	0.59	.275	64.3%	58.2%	9.1%		3.86		3.44	3.30
2016	ATL	ST	25	0	0	0	5	2	11.0	7.36	2.45	0.82	.281	77.6%	36.4%	6.3%		3.27		4.10	5.24
2016	ATL	MLB	25	2	3	0	11	11	53.2	4.53	2.52	1.17	.275	57.6%	57.1%	13.7%	92.8	6.04	4.37	4.79	4.67	0.1
2017	CHC	AAA	26	7	10	0	23	23	120.1	7.63	3.81	0.60	.320	62.8%	50.3%	7.7%		5.01		4.34	4.65
2017	CHC	ST	26	0	0	0	2	0	2.0	4.50	9.00	4.50	.286	27.8%	37.5%	20.0%		18.00		12.15	9.71
2018	SEA	AA	27	6	1	0	13	13	79.0	7.75	1.48	0.57	.278	76.9%	53.2%	6.7%		2.28		3.16	3.55
2018	SEA	AAA	27	2	1	0	4	4	20.0	9.90	1.35	0.45	.356	65.0%	50.0%	5.9%		3.15		2.80	3.25
2018	SEA	MiLB	27	8	2	0	17	17	99.0	8.18	1.45	0.55	.294	74.1%	52.6%	6.5%		2.45		3.09	3.49
2019	STL	R	28	0	0	0	3	3	4.0	11.25	4.50	0.00	.300	80.0%	55.6%	0.0%		0.00		2.51	2.83
2019	STL	A+	28	0	0	0	2	0	4.0	13.50	0.00	0.00	.143	100.0%	42.9%	0.0%		0.00		0.31	0.92
2019	STL	AA	28	6	3	0	13	13	67.1	9.36	3.74	1.34	.358	68.8%	54.6%	20.8%		5.61		4.64	3.71
2019	STL	MiLB	28	6	3	0	18	16	75.1	9.68	3.58	1.19	.348	69.7%	54.3%	18.9%		5.02		4.30	3.52
2019	STL	ST	28	0	0	0	2	0	4.0	2.25	6.75	0.00	.091	80.0%	45.5%	0.0%		2.25		6.23	8.47
Total	- - -	MLB		9	9	1	34	31	170.1	5.28	3.49	1.06	.304	68.2%	53.0%	12.6%	92.7	5.18		4.85	4.75	0.1

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2009	ATL	R	18	2	2	0	17	11	69.0	7.43	1.96	0.39	.247	77.2%	43.8%	3.6%		2.35		3.04	2.87
2010	ATL	R	19	0	6	0	12	11	54.1	7.12	1.33	0.50	.360	60.6%	50.0%	5.5%		5.63		3.63	3.50
2011	ATL	R	20	2	0	0	6	2	15.0	6.60	1.80	0.60	.288	62.5%	35.3%	4.2%		1.80		3.42	3.58
2011	ATL	R	20	2	0	0	7	4	24.1	9.99	5.18	0.37	.359	79.8%	49.2%	4.0%		3.33		4.56	5.09
2011	ATL	MiLB	20	4	0	0	13	6	39.1	8.69	3.89	0.46	.328	74.8%	43.1%	4.1%		2.75		4.13	4.51
2012	ATL	R	21	4	3	1	13	9	56.1	8.63	1.44	0.80	.302	60.0%	65.6%	13.5%		4.15		3.63	3.07
2013	ATL	A	22	5	4	0	14	13	70.0	7.59	2.31	0.64	.329	69.0%	55.8%	9.1%		4.24		3.62	3.37
2013	ATL	A+	22	6	2	0	9	9	55.0	7.69	2.95	0.65	.286	76.1%	52.2%	8.2%		2.62		3.68	3.47
2013	ATL	MiLB	22	11	6	0	23	22	125.0	7.63	2.59	0.65	.310	72.0%	54.2%	8.7%		3.53		3.65	3.41
2014	ATL	AA	23	7	6	0	26	25	133.0	6.36	2.64	0.27	.283	73.4%	57.8%	3.8%		2.91		3.29	3.61
2015	ATL	AAA	24	3	1	0	8	8	38.2	8.38	2.33	0.23	.292	84.1%	50.5%	3.2%		1.16		2.48	2.86
2015	ATL	ST	24	0	1	0	3	0	6.1	8.53	5.68	0.00	.519	50.0%	44.4%	0.0%		12.79		3.59	5.17
2015	ATL	MLB	24	7	6	1	23	20	116.2	5.63	3.93	1.00	.318	72.2%	50.9%	12.0%	89.8	4.78	5.20	4.87	4.79	0.0
2016	ATL	R	25	0	0	0	1	1	3.0	9.00	0.00	0.00	.250	100.0%	50.0%	0.0%		0.00		2.33	2.68
2016	ATL	A	25	0	1	0	1	1	3.0	6.00	6.00	0.00	.500	45.5%	46.2%	0.0%		18.00		6.07	7.01
2016	ATL	AAA	25	1	2	0	4	4	24.1	8.88	2.59	0.74	.224	69.3%	62.1%	11.8%		2.59		3.25	2.92
2016	ATL	MiLB	25	1	3	0	6	6	30.1	8.60	2.67	0.59	.275	64.3%	58.2%	9.1%		3.86		3.44	3.30
2016	ATL	ST	25	0	0	0	5	2	11.0	7.36	2.45	0.82	.281	77.6%	36.4%	6.3%		3.27		4.10	5.24
2016	ATL	MLB	25	2	3	0	11	11	53.2	4.53	2.52	1.17	.275	57.6%	57.1%	13.7%	92.8	6.04	4.37	4.79	4.67	0.1
2017	CHC	AAA	26	7	10	0	23	23	120.1	7.63	3.81	0.60	.320	62.8%	50.3%	7.7%		5.01		4.34	4.65
2017	CHC	ST	26	0	0	0	2	0	2.0	4.50	9.00	4.50	.286	27.8%	37.5%	20.0%		18.00		12.15	9.71
2018	SEA	AA	27	6	1	0	13	13	79.0	7.75	1.48	0.57	.278	76.9%	53.2%	6.7%		2.28		3.16	3.55
2018	SEA	AAA	27	2	1	0	4	4	20.0	9.90	1.35	0.45	.356	65.0%	50.0%	5.9%		3.15		2.80	3.25
2018	SEA	MiLB	27	8	2	0	17	17	99.0	8.18	1.45	0.55	.294	74.1%	52.6%	6.5%		2.45		3.09	3.49
2019	STL	R	28	0	0	0	3	3	4.0	11.25	4.50	0.00	.300	80.0%	55.6%	0.0%		0.00		2.51	2.83
2019	STL	A+	28	0	0	0	2	0	4.0	13.50	0.00	0.00	.143	100.0%	42.9%	0.0%		0.00		0.31	0.92
2019	STL	AA	28	6	3	0	13	13	67.1	9.36	3.74	1.34	.358	68.8%	54.6%	20.8%		5.61		4.64	3.71
2019	STL	MiLB	28	6	3	0	18	16	75.1	9.68	3.58	1.19	.348	69.7%	54.3%	18.9%		5.02		4.30	3.52
2019	STL	ST	28	0	0	0	2	0	4.0	2.25	6.75	0.00	.091	80.0%	45.5%	0.0%		2.25		6.23	8.47
Total	- - -	MLB		9	9	1	34	31	170.1	5.28	3.49	1.06	.304	68.2%	53.0%	12.6%	92.7	5.18		4.85	4.75	0.1

Minor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2009	ATL	R	2	2	2.35	17	11		0	0	0	2	0	69.0	269	50	19	18	3	15	0	4	5	0	57
2010	ATL	R	0	6	5.63	12	11		0	0	0	0	0	54.1	240	66	36	34	3	8	0	11	6	0	43
2011	ATL	R	2	0	1.80	6	2		0	0	0	1	0	15.0	67	16	8	3	1	3	0	0	0	0	11
2011	ATL	R	2	0	3.33	7	4		0	0	0	2	0	24.1	112	24	10	9	1	14	0	6	1	0	27
2011	ATL	MiLB	4	0	2.75	13	6		0	0	0	3	0	39.1	179	40	18	12	2	17	0	6	1	0	38
2012	ATL	R	4	3	4.15	13	9		0	0	1	0	0	56.1	234	54	31	26	5	9	0	4	1	0	54
2013	ATL	A	5	4	4.24	14	13		1	0	0	0	0	70.0	292	73	34	33	5	18	0	3	3	0	59
2013	ATL	A+	6	2	2.62	9	9		0	0	0	0	0	55.0	232	50	21	16	4	18	0	2	3	0	47
2013	ATL	MiLB	11	6	3.53	23	22		1	0	0	0	0	125.0	524	123	55	49	9	36	0	5	6	0	106
2014	ATL	AA	7	6	2.91	26	25		0	0	0	0	0	133.0	555	119	49	43	4	39	0	11	9	2	94
2015	ATL	AAA	3	1	1.16	8	8		0	0	0	0	0	38.2	154	32	8	5	1	10	0	1	0	0	36
2015	ATL	ST	0	1	12.79	3	0		0	0	0	0	1	6.1	37	14	9	9	0	4	0	0	0	0	6
2015	ATL	MLB	7	6	4.78	23	20	9	1	0	1	0	0	116.2	514	130	66	62	13	51	2	9	4	1	73
2016	ATL	R	0	0	0.00	1	1		0	0	0	0	0	3.0	12	2	0	0	0	0	0	1	0	0	3
2016	ATL	A	0	1	18.00	1	1		0	0	0	0	0	3.0	20	7	6	6	0	2	0	2	1	0	2
2016	ATL	AAA	1	2	2.59	4	4		2	1	0	0	0	24.1	92	15	9	7	2	7	0	1	1	0	24
2016	ATL	MiLB	1	3	3.86	6	6		2	1	0	0	0	30.1	124	24	15	13	2	9	0	4	2	0	29
2016	ATL	ST	0	0	3.27	5	2		0	0	0	0	0	11.0	45	10	4	4	1	3	0	0	0	0	9
2016	ATL	MLB	2	3	6.04	11	11	3	0	0	0	0	0	53.2	233	57	37	36	7	15	3	2	4	0	27
2017	CHC	AAA	7	10	5.01	23	23		1	1	0	0	0	120.1	524	122	74	67	8	51	1	7	5	0	102
2017	CHC	ST	0	0	18.00	2	0		0	0	0	0	0	2.0	11	3	4	4	1	2	0	0	0	0	1
2018	SEA	AA	6	1	2.28	13	13		1	0	0	0	0	79.0	319	69	25	20	5	13	0	3	2	0	68
2018	SEA	AAA	2	1	3.15	4	4		0	0	0	0	0	20.0	86	22	10	7	1	3	0	1	0	0	22
2018	SEA	MiLB	8	2	2.45	17	17		1	0	0	0	0	99.0	405	91	35	27	6	16	0	4	2	0	90
2019	STL	R	0	0	0.00	3	3		0	0	0	0	0	4.0	17	3	1	0	0	2	0	0	0	0	5
2019	STL	A+	0	0	0.00	2	0		0	0	0	1	0	4.0	13	1	0	0	0	0	0	0	0	0	6
2019	STL	AA	6	3	5.61	13	13		0	0	0	0	0	67.1	297	77	43	42	10	28	1	2	0	0	70
2019	STL	MiLB	6	3	5.02	18	16		0	0	0	1	0	75.1	327	81	44	42	10	30	1	2	0	0	81
2019	STL	ST	0	0	2.25	2	0		0	0	0	1	0	4.0	16	1	1	1	0	3	0	1	0	0	1
Total	- - -	MLB	9	9	5.18	34	31	12	1	0	1	0	0	170.1	747	187	103	98	20	66	5	11	8	1	100

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2009	ATL	R	2	2	2.35	17	11		0	0	0	2	0	69.0	269	50	19	18	3	15	0	4	5	0	57
2010	ATL	R	0	6	5.63	12	11		0	0	0	0	0	54.1	240	66	36	34	3	8	0	11	6	0	43
2011	ATL	R	2	0	1.80	6	2		0	0	0	1	0	15.0	67	16	8	3	1	3	0	0	0	0	11
2011	ATL	R	2	0	3.33	7	4		0	0	0	2	0	24.1	112	24	10	9	1	14	0	6	1	0	27
2011	ATL	MiLB	4	0	2.75	13	6		0	0	0	3	0	39.1	179	40	18	12	2	17	0	6	1	0	38
2012	ATL	R	4	3	4.15	13	9		0	0	1	0	0	56.1	234	54	31	26	5	9	0	4	1	0	54
2013	ATL	A	5	4	4.24	14	13		1	0	0	0	0	70.0	292	73	34	33	5	18	0	3	3	0	59
2013	ATL	A+	6	2	2.62	9	9		0	0	0	0	0	55.0	232	50	21	16	4	18	0	2	3	0	47
2013	ATL	MiLB	11	6	3.53	23	22		1	0	0	0	0	125.0	524	123	55	49	9	36	0	5	6	0	106
2014	ATL	AA	7	6	2.91	26	25		0	0	0	0	0	133.0	555	119	49	43	4	39	0	11	9	2	94
2015	ATL	AAA	3	1	1.16	8	8		0	0	0	0	0	38.2	154	32	8	5	1	10	0	1	0	0	36
2015	ATL	ST	0	1	12.79	3	0		0	0	0	0	1	6.1	37	14	9	9	0	4	0	0	0	0	6
2015	ATL	MLB	7	6	4.78	23	20	9	1	0	1	0	0	116.2	514	130	66	62	13	51	2	9	4	1	73
2016	ATL	R	0	0	0.00	1	1		0	0	0	0	0	3.0	12	2	0	0	0	0	0	1	0	0	3
2016	ATL	A	0	1	18.00	1	1		0	0	0	0	0	3.0	20	7	6	6	0	2	0	2	1	0	2
2016	ATL	AAA	1	2	2.59	4	4		2	1	0	0	0	24.1	92	15	9	7	2	7	0	1	1	0	24
2016	ATL	MiLB	1	3	3.86	6	6		2	1	0	0	0	30.1	124	24	15	13	2	9	0	4	2	0	29
2016	ATL	ST	0	0	3.27	5	2		0	0	0	0	0	11.0	45	10	4	4	1	3	0	0	0	0	9
2016	ATL	MLB	2	3	6.04	11	11	3	0	0	0	0	0	53.2	233	57	37	36	7	15	3	2	4	0	27
2017	CHC	AAA	7	10	5.01	23	23		1	1	0	0	0	120.1	524	122	74	67	8	51	1	7	5	0	102
2017	CHC	ST	0	0	18.00	2	0		0	0	0	0	0	2.0	11	3	4	4	1	2	0	0	0	0	1
2018	SEA	AA	6	1	2.28	13	13		1	0	0	0	0	79.0	319	69	25	20	5	13	0	3	2	0	68
2018	SEA	AAA	2	1	3.15	4	4		0	0	0	0	0	20.0	86	22	10	7	1	3	0	1	0	0	22
2018	SEA	MiLB	8	2	2.45	17	17		1	0	0	0	0	99.0	405	91	35	27	6	16	0	4	2	0	90
2019	STL	R	0	0	0.00	3	3		0	0	0	0	0	4.0	17	3	1	0	0	2	0	0	0	0	5
2019	STL	A+	0	0	0.00	2	0		0	0	0	1	0	4.0	13	1	0	0	0	0	0	0	0	0	6
2019	STL	AA	6	3	5.61	13	13		0	0	0	0	0	67.1	297	77	43	42	10	28	1	2	0	0	70
2019	STL	MiLB	6	3	5.02	18	16		0	0	0	1	0	75.1	327	81	44	42	10	30	1	2	0	0	81
2019	STL	ST	0	0	2.25	2	0		0	0	0	1	0	4.0	16	1	1	1	0	3	0	1	0	0	1
Total	- - -	MLB	9	9	5.18	34	31	12	1	0	1	0	0	170.1	747	187	103	98	20	66	5	11	8	1	100

Minor LeaguesSpring TrainingMLB Regular SeasonAverages

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2009	ATL	R	7.43	1.96	3.80	0.39	21.2%	5.6%	15.6%	.200	0.94	.247	77.2%	62	83	3.04
2010	ATL	R	7.12	1.33	5.38	0.50	17.9%	3.3%	14.6%	.299	1.36	.360	60.6%	147	98	3.63
2011	ATL	R	6.60	1.80	3.67	0.60	16.4%	4.5%	11.9%	.250	1.27	.288	62.5%	45	88	3.42
2011	ATL	R	9.99	5.18	1.93	0.37	24.1%	12.5%	11.6%	.261	1.56	.359	79.8%	82	110	4.56
2011	ATL	MiLB	8.69	3.89	2.24	0.46	21.2%	9.5%	11.7%	.256	1.45	.328	74.8%	68	102	4.13
2012	ATL	R	8.63	1.44	6.00	0.80	23.1%	3.8%	19.2%	.244	1.12	.302	60.0%	105	92	3.63
2013	ATL	A	7.59	2.31	3.28	0.64	20.2%	6.2%	14.0%	.269	1.30	.329	69.0%	110	96	3.62
2013	ATL	A+	7.69	2.95	2.61	0.65	20.3%	7.8%	12.5%	.236	1.24	.286	76.1%	66	93	3.68
2013	ATL	MiLB	7.63	2.59	2.94	0.65	20.2%	6.9%	13.4%	.255	1.27	.310	72.0%	90	94	3.65
2014	ATL	AA	6.36	2.64	2.41	0.27	16.9%	7.0%	9.9%	.236	1.19	.283	73.4%	80	89	3.29
2015	ATL	AAA	8.38	2.33	3.60	0.23	23.4%	6.5%	16.9%	.224	1.09	.292	84.1%	33	69	2.48
2015	ATL	ST	8.53	5.68	1.50	0.00	16.2%	10.8%	5.4%	.424	2.84	.519	50.0%	298	83	3.59
2015	ATL	MLB	5.63	3.93	1.43	1.00	14.2%	9.9%	4.3%	.286	1.55	.318	72.2%	123	129	4.87
2015			7.76	2.92	2.66	1.02	20.4%	7.7%	12.7%	.251	1.29	.296	72.9%			4.03
2016	ATL	R	9.00	0.00	3.00	0.00	25.0%	0.0%	25.0%	.182	0.67	.250	100.0%	0	66	2.33
2016	ATL	A	6.00	6.00	1.00	0.00	10.0%	10.0%	0.0%	.438	3.00	.500	45.5%	472	167	6.07
2016	ATL	AAA	8.88	2.59	3.43	0.74	26.1%	7.6%	18.5%	.179	0.90	.224	69.3%	72	90	3.25
2016	ATL	MiLB	8.60	2.67	3.22	0.59	23.4%	7.3%	16.1%	.216	1.09	.275	64.3%	104	96	3.44
2016	ATL	ST	7.36	2.45	3.00	0.82	20.0%	6.7%	13.3%	.238	1.18	.281	77.6%	72	87	4.10
2016	ATL	MLB	4.53	2.52	1.80	1.17	11.6%	6.4%	5.2%	.264	1.34	.275	57.6%	145	119	4.79
2016			8.10	3.14	2.58	1.17	21.1%	8.2%	12.9%	.252	1.32	.298	72.9%			4.24
2017	CHC	AAA	7.63	3.81	2.00	0.60	19.5%	9.7%	9.7%	.262	1.44	.320	62.8%	110	95	4.34
2017	CHC	ST	4.50	9.00	0.50	4.50	9.1%	18.2%	-9.1%	.333	2.50	.286	27.8%	399	255	12.15
2018	SEA	AA	7.75	1.48	5.23	0.57	21.3%	4.1%	17.2%	.228	1.04	.278	76.9%	61	82	3.16
2018	SEA	AAA	9.90	1.35	7.33	0.45	25.6%	3.5%	22.1%	.268	1.25	.356	65.0%	74	62	2.80
2018	SEA	MiLB	8.18	1.45	5.63	0.55	22.2%	4.0%	18.3%	.236	1.08	.294	74.1%	63	78	3.09
2019	STL	R	11.25	4.50	2.50	0.00	29.4%	11.8%	17.6%	.200	1.25	.300	80.0%	0	63	2.51
2019	STL	A+	13.50	0.00	6.00	0.00	46.2%	0.0%	46.2%	.077	0.25	.143	100.0%	0	9	0.31
2019	STL	AA	9.36	3.74	2.50	1.34	23.6%	9.4%	14.1%	.288	1.56	.358	68.8%	133	110	4.64
2019	STL	MiLB	9.68	3.58	2.70	1.19	24.8%	9.2%	15.6%	.275	1.47	.348	69.7%	119	102	4.30
2019	STL	ST	2.25	6.75	0.33	0.00	6.3%	18.8%	-12.5%	.083	1.00	.091	80.0%	47	130	6.23
Total	- - -	MLB	5.28	3.49	1.52	1.06	13.4%	8.8%	4.6%	.279	1.49	.304	68.2%	130	126	4.85

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2009	ATL	R	7.43	1.96	3.80	0.39	21.2%	5.6%	15.6%	.200	0.94	.247	77.2%	62	83	3.04
2010	ATL	R	7.12	1.33	5.38	0.50	17.9%	3.3%	14.6%	.299	1.36	.360	60.6%	147	98	3.63
2011	ATL	R	6.60	1.80	3.67	0.60	16.4%	4.5%	11.9%	.250	1.27	.288	62.5%	45	88	3.42
2011	ATL	R	9.99	5.18	1.93	0.37	24.1%	12.5%	11.6%	.261	1.56	.359	79.8%	82	110	4.56
2011	ATL	MiLB	8.69	3.89	2.24	0.46	21.2%	9.5%	11.7%	.256	1.45	.328	74.8%	68	102	4.13
2012	ATL	R	8.63	1.44	6.00	0.80	23.1%	3.8%	19.2%	.244	1.12	.302	60.0%	105	92	3.63
2013	ATL	A	7.59	2.31	3.28	0.64	20.2%	6.2%	14.0%	.269	1.30	.329	69.0%	110	96	3.62
2013	ATL	A+	7.69	2.95	2.61	0.65	20.3%	7.8%	12.5%	.236	1.24	.286	76.1%	66	93	3.68
2013	ATL	MiLB	7.63	2.59	2.94	0.65	20.2%	6.9%	13.4%	.255	1.27	.310	72.0%	90	94	3.65
2014	ATL	AA	6.36	2.64	2.41	0.27	16.9%	7.0%	9.9%	.236	1.19	.283	73.4%	80	89	3.29
2015	ATL	AAA	8.38	2.33	3.60	0.23	23.4%	6.5%	16.9%	.224	1.09	.292	84.1%	33	69	2.48
2015	ATL	ST	8.53	5.68	1.50	0.00	16.2%	10.8%	5.4%	.424	2.84	.519	50.0%	298	83	3.59
2015	ATL	MLB	5.63	3.93	1.43	1.00	14.2%	9.9%	4.3%	.286	1.55	.318	72.2%	123	129	4.87
2015			7.76	2.92	2.66	1.02	20.4%	7.7%	12.7%	.251	1.29	.296	72.9%			4.03
2016	ATL	R	9.00	0.00	3.00	0.00	25.0%	0.0%	25.0%	.182	0.67	.250	100.0%	0	66	2.33
2016	ATL	A	6.00	6.00	1.00	0.00	10.0%	10.0%	0.0%	.438	3.00	.500	45.5%	472	167	6.07
2016	ATL	AAA	8.88	2.59	3.43	0.74	26.1%	7.6%	18.5%	.179	0.90	.224	69.3%	72	90	3.25
2016	ATL	MiLB	8.60	2.67	3.22	0.59	23.4%	7.3%	16.1%	.216	1.09	.275	64.3%	104	96	3.44
2016	ATL	ST	7.36	2.45	3.00	0.82	20.0%	6.7%	13.3%	.238	1.18	.281	77.6%	72	87	4.10
2016	ATL	MLB	4.53	2.52	1.80	1.17	11.6%	6.4%	5.2%	.264	1.34	.275	57.6%	145	119	4.79
2016			8.10	3.14	2.58	1.17	21.1%	8.2%	12.9%	.252	1.32	.298	72.9%			4.24
2017	CHC	AAA	7.63	3.81	2.00	0.60	19.5%	9.7%	9.7%	.262	1.44	.320	62.8%	110	95	4.34
2017	CHC	ST	4.50	9.00	0.50	4.50	9.1%	18.2%	-9.1%	.333	2.50	.286	27.8%	399	255	12.15
2018	SEA	AA	7.75	1.48	5.23	0.57	21.3%	4.1%	17.2%	.228	1.04	.278	76.9%	61	82	3.16
2018	SEA	AAA	9.90	1.35	7.33	0.45	25.6%	3.5%	22.1%	.268	1.25	.356	65.0%	74	62	2.80
2018	SEA	MiLB	8.18	1.45	5.63	0.55	22.2%	4.0%	18.3%	.236	1.08	.294	74.1%	63	78	3.09
2019	STL	R	11.25	4.50	2.50	0.00	29.4%	11.8%	17.6%	.200	1.25	.300	80.0%	0	63	2.51
2019	STL	A+	13.50	0.00	6.00	0.00	46.2%	0.0%	46.2%	.077	0.25	.143	100.0%	0	9	0.31
2019	STL	AA	9.36	3.74	2.50	1.34	23.6%	9.4%	14.1%	.288	1.56	.358	68.8%	133	110	4.64
2019	STL	MiLB	9.68	3.58	2.70	1.19	24.8%	9.2%	15.6%	.275	1.47	.348	69.7%	119	102	4.30
2019	STL	ST	2.25	6.75	0.33	0.00	6.3%	18.8%	-12.5%	.083	1.00	.091	80.0%	47	130	6.23
Total	- - -	MLB	5.28	3.49	1.52	1.06	13.4%	8.8%	4.6%	.279	1.49	.304	68.2%	130	126	4.85

Minor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2015	ATL	MLB	381	90.1	111.7	7.4	21	5.5%	152	39.9%	4.78	5.20
2016	ATL	MLB	189	90.0	114.1	5.0	11	5.8%	77	40.7%	6.04	4.37
Total	- - -	MLB	570	90.1	114.1	6.6	32	5.6%	229	40.2%	5.18

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2015	ATL	MLB	381	90.1	111.7	7.4	21	5.5%	152	39.9%	4.78	5.20
2016	ATL	MLB	189	90.0	114.1	5.0	11	5.8%	77	40.7%	6.04	4.37
Total	- - -	MLB	570	90.1	114.1	6.6	32	5.6%	229	40.2%	5.18

Williams Pérez

Stats

Dashboard

Standard

Advanced

Statcast

BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG