Pythagorean & BaseRuns Records

These Pythagorean and BaseRuns records are always looking backwards and based on the team's actual stats in a season. For more about both Pythagorean and BaseRuns records, please visit our glossary page.

Season:

2026

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

1995

1994

1993

1992

1991

1990

1989

1988

1987

1986

1985

1984

1983

1982

1981

1980

1979

1978

1977

1976

1975

1974

1973

1972

1971

1970

1969

1968

1967

1966

1965

1964

1963

1962

1961

1960

1959

1958

1957

1956

1955

1954

1953

1952

1951

1950

1949

1948

1947

1946

1945

1944

1943

1942

1941

1940

1939

1938

1937

1936

1935

1934

1933

1932

1931

1930

1929

1928

1927

1926

1925

1924

1923

1922

1921

1920

1919

1918

1917

1916

1915

1914

1913

1912

1911

1910

1909

1908

1907

1906

1905

1904

1903

1902

1901

1900

1899

1898

1897

1896

1895

1894

1893

1892

1891

1890

1889

1888

1887

1886

1885

1884

1883

1882

1881

1880

1879

1878

1877

1876

1875

1874

1873

1872

1871

Overall By League/Division

Team	G	W	L	W%	RDif	RS/G	RA/G	W	L	W%	+/-	W	L	W%	+/-	RDif	RS/G	RA/G
	2026 Year to Date							2026 Pythagorean				2026 BaseRuns
Team	G	W	L	W%	RDif	RS/G	RA/G	W	L	W%	+/-	W	L	W%	+/-	RDif	RS/G	RA/G
Dodgers	79	50	29	.633	134	5.15	3.46	53	26	.677	-3	53	26	.677	-3	134	5.16	3.46
Yankees	77	46	31	.597	110	5.09	3.66	50	27	.649	-4	49	28	.641	-3	103	5.00	3.66
Brewers	76	47	29	.618	120	5.25	3.67	50	26	.662	-3	48	28	.632	-1	93	4.82	3.60
Braves	77	48	29	.623	96	4.90	3.65	49	28	.633	-1	45	32	.586	+3	62	4.71	3.90
Pirates	78	39	39	.500	14	5.01	4.83	40	38	.518	-1	45	33	.571	-6	54	5.02	4.32
Marlins	79	40	39	.506	-1	4.29	4.30	39	40	.499	+1	43	36	.541	-3	29	4.44	4.06
Mariners	79	40	39	.506	17	4.13	3.91	41	38	.524	-1	43	36	.539	-3	28	4.22	3.87
Cubs	77	40	37	.519	21	4.75	4.48	41	36	.528	-1	43	34	.553	-3	41	5.00	4.47
Tigers	78	34	44	.436	-3	4.09	4.13	39	39	.496	-5	40	38	.516	-6	12	4.28	4.13
Nationals	79	41	38	.519	15	5.32	5.13	41	38	.518	+0	38	41	.486	+3	-11	4.93	5.08
Rangers	78	38	40	.487	-10	4.01	4.14	38	40	.486	+0	38	40	.492	0	-6	4.19	4.26
Cardinals	76	42	34	.553	5	4.63	4.57	39	37	.507	+3	38	38	.503	+4	2	4.65	4.62
Blue Jays	78	39	39	.500	-23	4.10	4.40	37	41	.468	+2	38	40	.486	+1	-10	4.15	4.27
Rays	75	43	32	.573	7	4.37	4.28	38	37	.510	+5	38	37	.501	+5	1	4.31	4.30
Orioles	80	38	42	.475	-20	4.69	4.94	38	42	.475	0	37	43	.469	+1	-25	4.48	4.78
Giants	77	31	46	.403	-54	4.12	4.82	33	44	.427	-2	37	40	.486	-6	-10	4.54	4.67
White Sox	77	40	37	.519	-3	4.66	4.70	38	39	.496	+2	37	40	.486	+3	-11	4.54	4.68
Twins	80	38	42	.475	-19	4.86	5.10	38	42	.477	0	37	43	.467	+1	-26	4.58	4.90
Angels	80	32	48	.400	-41	4.53	5.04	36	44	.449	-4	37	43	.466	-5	-26	4.40	4.73
Phillies	78	42	36	.538	-7	4.23	4.32	38	40	.490	+4	37	41	.477	+5	-17	4.29	4.50
Guardians	79	41	38	.519	-8	3.99	4.09	39	40	.489	+2	37	42	.470	+4	-22	4.06	4.33
Astros	80	37	43	.463	-43	4.48	5.01	36	44	.446	+1	36	44	.449	+1	-40	4.39	4.89
Red Sox	76	31	45	.408	-8	3.89	4.00	37	39	.488	-6	36	40	.472	-5	-19	4.03	4.29
Padres	77	40	37	.519	-9	3.86	3.97	37	40	.487	+3	36	41	.465	+4	-23	3.83	4.13
Mets	77	34	43	.442	-31	4.04	4.44	35	42	.456	-1	36	41	.465	-2	-24	3.89	4.20
Diamondbacks	78	39	39	.500	-26	4.27	4.60	36	42	.465	+3	36	42	.457	+3	-32	4.19	4.60
Royals	79	33	46	.418	-43	4.22	4.76	35	44	.443	-2	35	44	.444	-2	-44	4.36	4.91
Athletics	78	38	40	.487	-54	4.67	5.36	34	44	.433	+4	34	44	.431	+4	-57	4.79	5.52
Reds	77	37	40	.481	-47	4.23	4.84	34	43	.437	+3	32	45	.421	+5	-62	4.43	5.23
Rockies	79	31	48	.392	-89	4.54	5.67	31	48	.394	0	31	48	.389	+0	-96	4.70	5.92

Team	G	W	L	W%	RDif	RS/G	RA/G	W	L	W%	+/-	W	L	W%	+/-	RDif	RS/G	RA/G
	2026 Year to Date							2026 Pythagorean				2026 BaseRuns
Team	G	W	L	W%	RDif	RS/G	RA/G	W	L	W%	+/-	W	L	W%	+/-	RDif	RS/G	RA/G
Dodgers	79	50	29	.633	134	5.15	3.46	53	26	.677	-3	53	26	.677	-3	134	5.16	3.46
Yankees	77	46	31	.597	110	5.09	3.66	50	27	.649	-4	49	28	.641	-3	103	5.00	3.66
Brewers	76	47	29	.618	120	5.25	3.67	50	26	.662	-3	48	28	.632	-1	93	4.82	3.60
Braves	77	48	29	.623	96	4.90	3.65	49	28	.633	-1	45	32	.586	+3	62	4.71	3.90
Pirates	78	39	39	.500	14	5.01	4.83	40	38	.518	-1	45	33	.571	-6	54	5.02	4.32
Marlins	79	40	39	.506	-1	4.29	4.30	39	40	.499	+1	43	36	.541	-3	29	4.44	4.06
Mariners	79	40	39	.506	17	4.13	3.91	41	38	.524	-1	43	36	.539	-3	28	4.22	3.87
Cubs	77	40	37	.519	21	4.75	4.48	41	36	.528	-1	43	34	.553	-3	41	5.00	4.47
Tigers	78	34	44	.436	-3	4.09	4.13	39	39	.496	-5	40	38	.516	-6	12	4.28	4.13
Nationals	79	41	38	.519	15	5.32	5.13	41	38	.518	+0	38	41	.486	+3	-11	4.93	5.08
Rangers	78	38	40	.487	-10	4.01	4.14	38	40	.486	+0	38	40	.492	0	-6	4.19	4.26
Cardinals	76	42	34	.553	5	4.63	4.57	39	37	.507	+3	38	38	.503	+4	2	4.65	4.62
Blue Jays	78	39	39	.500	-23	4.10	4.40	37	41	.468	+2	38	40	.486	+1	-10	4.15	4.27
Rays	75	43	32	.573	7	4.37	4.28	38	37	.510	+5	38	37	.501	+5	1	4.31	4.30
Orioles	80	38	42	.475	-20	4.69	4.94	38	42	.475	0	37	43	.469	+1	-25	4.48	4.78
Giants	77	31	46	.403	-54	4.12	4.82	33	44	.427	-2	37	40	.486	-6	-10	4.54	4.67
White Sox	77	40	37	.519	-3	4.66	4.70	38	39	.496	+2	37	40	.486	+3	-11	4.54	4.68
Twins	80	38	42	.475	-19	4.86	5.10	38	42	.477	0	37	43	.467	+1	-26	4.58	4.90
Angels	80	32	48	.400	-41	4.53	5.04	36	44	.449	-4	37	43	.466	-5	-26	4.40	4.73
Phillies	78	42	36	.538	-7	4.23	4.32	38	40	.490	+4	37	41	.477	+5	-17	4.29	4.50
Guardians	79	41	38	.519	-8	3.99	4.09	39	40	.489	+2	37	42	.470	+4	-22	4.06	4.33
Astros	80	37	43	.463	-43	4.48	5.01	36	44	.446	+1	36	44	.449	+1	-40	4.39	4.89
Red Sox	76	31	45	.408	-8	3.89	4.00	37	39	.488	-6	36	40	.472	-5	-19	4.03	4.29
Padres	77	40	37	.519	-9	3.86	3.97	37	40	.487	+3	36	41	.465	+4	-23	3.83	4.13
Mets	77	34	43	.442	-31	4.04	4.44	35	42	.456	-1	36	41	.465	-2	-24	3.89	4.20
Diamondbacks	78	39	39	.500	-26	4.27	4.60	36	42	.465	+3	36	42	.457	+3	-32	4.19	4.60
Royals	79	33	46	.418	-43	4.22	4.76	35	44	.443	-2	35	44	.444	-2	-44	4.36	4.91
Athletics	78	38	40	.487	-54	4.67	5.36	34	44	.433	+4	34	44	.431	+4	-57	4.79	5.52
Reds	77	37	40	.481	-47	4.23	4.84	34	43	.437	+3	32	45	.421	+5	-62	4.43	5.23
Rockies	79	31	48	.392	-89	4.54	5.67	31	48	.394	0	31	48	.389	+0	-96	4.70	5.92

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