Julio Rosario
Kansas City Royals (A)P
Age: 22
Bats/Throws: R/R
6'1" / 205
DOB: 7/12/2002
(22 years, 9 months, 18 days)
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Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| 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 | divider | 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 | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | KCR | DSL | 20 | 1 | 4 | 1 | 12 | 3 | 28.1 | 6.35 | 1.91 | 0.95 | .250 | 61.2% | 34.1% | 7.7% | 3.18 | 4.79 | 4.42 | ||||||
| 2024 | KCR | CPX | 21 | 4 | 2 | 3 | 17 | 0 | 29.1 | 12.27 | 4.30 | 0.31 | .324 | 63.8% | 34.3% | 3.8% | 2.45 | 3.84 | 4.23 | ||||||
| 2024 | KCR | A | 21 | 2 | 0 | 0 | 7 | 0 | 15.0 | 9.60 | 2.40 | 0.00 | .341 | 68.4% | 27.5% | 0.0% | 2.40 | 2.45 | 3.47 | ||||||
| 2024 | KCR | MiLB | 21 | 6 | 2 | 3 | 24 | 0 | 44.1 | 11.37 | 3.65 | 0.20 | .330 | 65.4% | 31.8% | 2.3% | 2.44 | 3.37 | 3.98 | ||||||
| 2025 | Steamer | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.58 | 6.00 | 1.42 | .300 | 68.1% | 38.6% | 6.14 | 6.12 | 6.15 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.8 | 6.34 | 4.35 | 1.38 | .292 | 65.0% | 5.47 | 5.36 | 0.0 | ||||||||
| 2025 | KCR | A | 22 | 0 | 0 | 1 | 5 | 0 | 10.1 | 11.32 | 5.23 | 0.00 | .333 | 73.3% | 44.4% | 0.0% | 2.61 | 3.06 | 3.88 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.60 | 6.16 | 1.34 | .300 | 68.4% | 6.04 | 5.95 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 1.9 | 6.40 | 4.46 | 1.43 | .292 | 65.4% | 5.54 | 5.45 | 0.0 |
| 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 | divider | 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 | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | KCR | DSL | 20 | 1 | 4 | 1 | 12 | 3 | 28.1 | 6.35 | 1.91 | 0.95 | .250 | 61.2% | 34.1% | 7.7% | 3.18 | 4.79 | 4.42 | ||||||
| 2024 | KCR | CPX | 21 | 4 | 2 | 3 | 17 | 0 | 29.1 | 12.27 | 4.30 | 0.31 | .324 | 63.8% | 34.3% | 3.8% | 2.45 | 3.84 | 4.23 | ||||||
| 2024 | KCR | A | 21 | 2 | 0 | 0 | 7 | 0 | 15.0 | 9.60 | 2.40 | 0.00 | .341 | 68.4% | 27.5% | 0.0% | 2.40 | 2.45 | 3.47 | ||||||
| 2024 | KCR | MiLB | 21 | 6 | 2 | 3 | 24 | 0 | 44.1 | 11.37 | 3.65 | 0.20 | .330 | 65.4% | 31.8% | 2.3% | 2.44 | 3.37 | 3.98 | ||||||
| 2025 | Steamer | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.58 | 6.00 | 1.42 | .300 | 68.1% | 38.6% | 6.14 | 6.12 | 6.15 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.8 | 6.34 | 4.35 | 1.38 | .292 | 65.0% | 5.47 | 5.36 | 0.0 | ||||||||
| 2025 | KCR | A | 22 | 0 | 0 | 1 | 5 | 0 | 10.1 | 11.32 | 5.23 | 0.00 | .333 | 73.3% | 44.4% | 0.0% | 2.61 | 3.06 | 3.88 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.60 | 6.16 | 1.34 | .300 | 68.4% | 6.04 | 5.95 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 1.9 | 6.40 | 4.46 | 1.43 | .292 | 65.4% | 5.54 | 5.45 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | KCR | DSL | 1 | 4 | 3.18 | 12 | 3 | 0 | 0 | 1 | 0 | 0 | 28.1 | 115 | 24 | 15 | 10 | 3 | 6 | 0 | 2 | 3 | 2 | 20 | |
| 2024 | KCR | CPX | 4 | 2 | 2.45 | 17 | 0 | 0 | 0 | 3 | 0 | 1 | 29.1 | 129 | 25 | 15 | 8 | 1 | 14 | 0 | 0 | 6 | 0 | 40 | |
| 2024 | KCR | A | 2 | 0 | 2.40 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 15.0 | 62 | 14 | 6 | 4 | 0 | 4 | 0 | 1 | 3 | 1 | 16 | |
| 2024 | KCR | MiLB | 6 | 2 | 2.44 | 24 | 0 | 0 | 0 | 3 | 0 | 1 | 44.1 | 191 | 39 | 21 | 12 | 1 | 18 | 0 | 1 | 9 | 1 | 56 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.47 | 1 | 0 | 0 | 0 | 0 | 1.8 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2025 | KCR | A | 0 | 0 | 2.61 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 10.1 | 46 | 9 | 4 | 3 | 0 | 6 | 0 | 0 | 2 | 0 | 13 | |
| 2025 | Steamer | ROS | 0 | 0 | 6.04 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.54 | 1 | 0 | 0 | 0 | 0 | 1.9 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | KCR | DSL | 1 | 4 | 3.18 | 12 | 3 | 0 | 0 | 1 | 0 | 0 | 28.1 | 115 | 24 | 15 | 10 | 3 | 6 | 0 | 2 | 3 | 2 | 20 | |
| 2024 | KCR | CPX | 4 | 2 | 2.45 | 17 | 0 | 0 | 0 | 3 | 0 | 1 | 29.1 | 129 | 25 | 15 | 8 | 1 | 14 | 0 | 0 | 6 | 0 | 40 | |
| 2024 | KCR | A | 2 | 0 | 2.40 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 15.0 | 62 | 14 | 6 | 4 | 0 | 4 | 0 | 1 | 3 | 1 | 16 | |
| 2024 | KCR | MiLB | 6 | 2 | 2.44 | 24 | 0 | 0 | 0 | 3 | 0 | 1 | 44.1 | 191 | 39 | 21 | 12 | 1 | 18 | 0 | 1 | 9 | 1 | 56 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.47 | 1 | 0 | 0 | 0 | 0 | 1.8 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2025 | KCR | A | 0 | 0 | 2.61 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 10.1 | 46 | 9 | 4 | 3 | 0 | 6 | 0 | 0 | 2 | 0 | 13 | |
| 2025 | Steamer | ROS | 0 | 0 | 6.04 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.54 | 1 | 0 | 0 | 0 | 0 | 1.9 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAverages
| 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) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | 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 | divider | 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 | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | KCR | DSL | 6.35 | 1.91 | 3.33 | 0.95 | 17.4% | 5.2% | 12.2% | .224 | 1.06 | .250 | 61.2% | 67 | 100 | 4.79 | ||||
| 2024 | KCR | CPX | 12.27 | 4.30 | 2.86 | 0.31 | 31.0% | 10.9% | 20.2% | .217 | 1.33 | .324 | 63.8% | 45 | 69 | 3.84 | ||||
| 2024 | KCR | A | 9.60 | 2.40 | 4.00 | 0.00 | 25.8% | 6.5% | 19.4% | .246 | 1.20 | .341 | 68.4% | 60 | 62 | 2.45 | ||||
| 2024 | KCR | MiLB | 11.37 | 3.65 | 3.11 | 0.20 | 29.3% | 9.4% | 19.9% | .227 | 1.29 | .330 | 65.4% | 50 | 67 | 3.37 | ||||
| 2025 | Steamer | PROJ | 5.58 | 6.00 | 0.93 | 1.42 | 13.1% | 14.1% | -1.0% | .281 | 1.80 | .300 | 68.1% | 6.12 | ||||||
| 2025 | OOPSY | PROJ | 6.34 | 4.35 | 1.46 | 1.38 | 16.3% | 11.2% | 5.1% | .266 | 1.50 | .292 | 65.0% | 5.36 | ||||||
| 2025 | KCR | A | 11.32 | 5.23 | 2.17 | 0.00 | 28.3% | 13.0% | 15.2% | .225 | 1.45 | .333 | 73.3% | 57 | 68 | 3.06 | ||||
| 2025 | Steamer | ROS | 5.60 | 6.16 | 0.91 | 1.34 | 13.1% | 14.5% | -1.3% | .280 | 1.80 | .300 | 68.4% | 5.95 | ||||||
| 2025 | OOPSY | ROS | 6.40 | 4.46 | 1.43 | 1.43 | 16.2% | 11.3% | 4.9% | .267 | 1.52 | .292 | 65.4% | 5.45 |
| 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) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | 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 | divider | 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 | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | KCR | DSL | 6.35 | 1.91 | 3.33 | 0.95 | 17.4% | 5.2% | 12.2% | .224 | 1.06 | .250 | 61.2% | 67 | 100 | 4.79 | ||||
| 2024 | KCR | CPX | 12.27 | 4.30 | 2.86 | 0.31 | 31.0% | 10.9% | 20.2% | .217 | 1.33 | .324 | 63.8% | 45 | 69 | 3.84 | ||||
| 2024 | KCR | A | 9.60 | 2.40 | 4.00 | 0.00 | 25.8% | 6.5% | 19.4% | .246 | 1.20 | .341 | 68.4% | 60 | 62 | 2.45 | ||||
| 2024 | KCR | MiLB | 11.37 | 3.65 | 3.11 | 0.20 | 29.3% | 9.4% | 19.9% | .227 | 1.29 | .330 | 65.4% | 50 | 67 | 3.37 | ||||
| 2025 | Steamer | PROJ | 5.58 | 6.00 | 0.93 | 1.42 | 13.1% | 14.1% | -1.0% | .281 | 1.80 | .300 | 68.1% | 6.12 | ||||||
| 2025 | OOPSY | PROJ | 6.34 | 4.35 | 1.46 | 1.38 | 16.3% | 11.2% | 5.1% | .266 | 1.50 | .292 | 65.0% | 5.36 | ||||||
| 2025 | KCR | A | 11.32 | 5.23 | 2.17 | 0.00 | 28.3% | 13.0% | 15.2% | .225 | 1.45 | .333 | 73.3% | 57 | 68 | 3.06 | ||||
| 2025 | Steamer | ROS | 5.60 | 6.16 | 0.91 | 1.34 | 13.1% | 14.5% | -1.3% | .280 | 1.80 | .300 | 68.4% | 5.95 | ||||||
| 2025 | OOPSY | ROS | 6.40 | 4.46 | 1.43 | 1.43 | 16.2% | 11.3% | 4.9% | .267 | 1.52 | .292 | 65.4% | 5.45 |
