Leomar Rosario
Houston Astros (A)P
Age: 22
Bats/Throws: R/R
6'6" / 217
DOB: 6/11/2003
(22 years, 2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | HOU | DSL | 19 | 0 | 2 | 0 | 11 | 5 | 28.0 | 9.32 | 8.68 | 0.32 | .286 | 56.7% | 46.4% | 5.0% | 6.43 | 5.20 | 5.24 | ||||||
| 2023 | HOU | CPX | 20 | 1 | 1 | 0 | 6 | 1 | 15.2 | 9.19 | 9.19 | 0.57 | .317 | 67.6% | 42.5% | 9.1% | 6.32 | 5.99 | 5.88 | ||||||
| 2025 | Steamer | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 4.56 | 8.37 | 1.60 | .299 | 67.0% | 41.8% | 7.36 | 7.41 | 7.07 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 1 | 2.5 | 5.63 | 6.70 | 1.59 | .299 | 66.8% | 6.60 | 6.64 | 0.0 | ||||||||
| 2025 | HOU | CPX | 22 | 0 | 0 | 0 | 4 | 4 | 7.0 | 11.57 | 9.00 | 0.00 | .267 | 63.6% | 60.0% | 0.0% | 2.57 | 4.38 | 4.87 | ||||||
| 2025 | HOU | A | 22 | 0 | 0 | 0 | 3 | 1 | 8.0 | 12.38 | 5.63 | 0.00 | .316 | 63.6% | 64.7% | 0.0% | 4.50 | 2.72 | 3.07 | ||||||
| 2025 | HOU | MiLB | 22 | 0 | 0 | 0 | 7 | 5 | 15.0 | 12.00 | 7.20 | 0.00 | .294 | 63.6% | 62.5% | 0.0% | 3.60 | 3.50 | 3.91 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.38 | 6.40 | 1.45 | .301 | 68.2% | 6.28 | 6.24 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 1 | 2.3 | 7.00 | 5.67 | 1.30 | .289 | 68.3% | 5.42 | 5.56 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | HOU | DSL | 19 | 0 | 2 | 0 | 11 | 5 | 28.0 | 9.32 | 8.68 | 0.32 | .286 | 56.7% | 46.4% | 5.0% | 6.43 | 5.20 | 5.24 | ||||||
| 2023 | HOU | CPX | 20 | 1 | 1 | 0 | 6 | 1 | 15.2 | 9.19 | 9.19 | 0.57 | .317 | 67.6% | 42.5% | 9.1% | 6.32 | 5.99 | 5.88 | ||||||
| 2025 | Steamer | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 4.56 | 8.37 | 1.60 | .299 | 67.0% | 41.8% | 7.36 | 7.41 | 7.07 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 1 | 2.5 | 5.63 | 6.70 | 1.59 | .299 | 66.8% | 6.60 | 6.64 | 0.0 | ||||||||
| 2025 | HOU | CPX | 22 | 0 | 0 | 0 | 4 | 4 | 7.0 | 11.57 | 9.00 | 0.00 | .267 | 63.6% | 60.0% | 0.0% | 2.57 | 4.38 | 4.87 | ||||||
| 2025 | HOU | A | 22 | 0 | 0 | 0 | 3 | 1 | 8.0 | 12.38 | 5.63 | 0.00 | .316 | 63.6% | 64.7% | 0.0% | 4.50 | 2.72 | 3.07 | ||||||
| 2025 | HOU | MiLB | 22 | 0 | 0 | 0 | 7 | 5 | 15.0 | 12.00 | 7.20 | 0.00 | .294 | 63.6% | 62.5% | 0.0% | 3.60 | 3.50 | 3.91 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.38 | 6.40 | 1.45 | .301 | 68.2% | 6.28 | 6.24 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 1 | 2.3 | 7.00 | 5.67 | 1.30 | .289 | 68.3% | 5.42 | 5.56 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | HOU | DSL | 0 | 2 | 6.43 | 11 | 5 | 0 | 0 | 0 | 0 | 0 | 28.0 | 128 | 21 | 22 | 20 | 1 | 27 | 0 | 1 | 10 | 2 | 29 | |
| 2023 | HOU | CPX | 1 | 1 | 6.32 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 15.2 | 75 | 14 | 11 | 11 | 1 | 16 | 0 | 1 | 6 | 1 | 16 | |
| 2025 | Steamer | PROJ | 0 | 0 | 7.36 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.60 | 1 | 1 | 0 | 0 | 0 | 2.5 | 12 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 2 | |||||
| 2025 | HOU | CPX | 0 | 0 | 2.57 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 7.0 | 31 | 4 | 4 | 2 | 0 | 7 | 0 | 0 | 1 | 0 | 9 | |
| 2025 | HOU | A | 0 | 0 | 4.50 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 8.0 | 35 | 6 | 4 | 4 | 0 | 5 | 0 | 0 | 3 | 0 | 11 | |
| 2025 | HOU | MiLB | 0 | 0 | 3.60 | 7 | 5 | 0 | 0 | 0 | 0 | 0 | 15.0 | 66 | 10 | 8 | 6 | 0 | 12 | 0 | 0 | 4 | 0 | 20 | |
| 2025 | Steamer | ROS | 0 | 0 | 6.28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.42 | 1 | 1 | 0 | 0 | 0 | 2.3 | 10 | 2 | 2 | 1 | 0 | 1 | 0 | 0 | 2 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | HOU | DSL | 0 | 2 | 6.43 | 11 | 5 | 0 | 0 | 0 | 0 | 0 | 28.0 | 128 | 21 | 22 | 20 | 1 | 27 | 0 | 1 | 10 | 2 | 29 | |
| 2023 | HOU | CPX | 1 | 1 | 6.32 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 15.2 | 75 | 14 | 11 | 11 | 1 | 16 | 0 | 1 | 6 | 1 | 16 | |
| 2025 | Steamer | PROJ | 0 | 0 | 7.36 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.60 | 1 | 1 | 0 | 0 | 0 | 2.5 | 12 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 2 | |||||
| 2025 | HOU | CPX | 0 | 0 | 2.57 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 7.0 | 31 | 4 | 4 | 2 | 0 | 7 | 0 | 0 | 1 | 0 | 9 | |
| 2025 | HOU | A | 0 | 0 | 4.50 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 8.0 | 35 | 6 | 4 | 4 | 0 | 5 | 0 | 0 | 3 | 0 | 11 | |
| 2025 | HOU | MiLB | 0 | 0 | 3.60 | 7 | 5 | 0 | 0 | 0 | 0 | 0 | 15.0 | 66 | 10 | 8 | 6 | 0 | 12 | 0 | 0 | 4 | 0 | 20 | |
| 2025 | Steamer | ROS | 0 | 0 | 6.28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.42 | 1 | 1 | 0 | 0 | 0 | 2.3 | 10 | 2 | 2 | 1 | 0 | 1 | 0 | 0 | 2 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | HOU | DSL | 9.32 | 8.68 | 1.07 | 0.32 | 22.7% | 21.1% | 1.6% | .210 | 1.71 | .286 | 56.7% | 134 | 111 | 5.20 | ||||
| 2023 | HOU | CPX | 9.19 | 9.19 | 1.00 | 0.57 | 21.3% | 21.3% | 0.0% | .241 | 1.91 | .317 | 67.6% | 121 | 113 | 5.99 | ||||
| 2025 | Steamer | PROJ | 4.56 | 8.37 | 0.54 | 1.60 | 10.1% | 18.6% | -8.5% | .293 | 2.11 | .299 | 67.0% | 7.41 | ||||||
| 2025 | OOPSY | PROJ | 5.63 | 6.70 | 0.84 | 1.59 | 12.7% | 15.1% | -2.4% | .283 | 1.91 | .299 | 66.8% | 6.64 | ||||||
| 2025 | HOU | CPX | 11.57 | 9.00 | 1.29 | 0.00 | 29.0% | 22.6% | 6.5% | .167 | 1.57 | .267 | 63.6% | 57 | 88 | 4.38 | ||||
| 2025 | HOU | A | 12.38 | 5.63 | 2.20 | 0.00 | 31.4% | 14.3% | 17.1% | .200 | 1.38 | .316 | 63.6% | 110 | 65 | 2.72 | ||||
| 2025 | HOU | MiLB | 12.00 | 7.20 | 1.67 | 0.00 | 30.3% | 18.2% | 12.1% | .185 | 1.47 | .294 | 63.6% | 85 | 76 | 3.50 | ||||
| 2025 | Steamer | ROS | 5.38 | 6.40 | 0.84 | 1.45 | 12.6% | 15.0% | -2.4% | .284 | 1.85 | .301 | 68.2% | 6.24 | ||||||
| 2025 | OOPSY | ROS | 7.00 | 5.67 | 1.23 | 1.30 | 17.0% | 13.8% | 3.2% | .258 | 1.63 | .289 | 68.3% | 5.56 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | HOU | DSL | 9.32 | 8.68 | 1.07 | 0.32 | 22.7% | 21.1% | 1.6% | .210 | 1.71 | .286 | 56.7% | 134 | 111 | 5.20 | ||||
| 2023 | HOU | CPX | 9.19 | 9.19 | 1.00 | 0.57 | 21.3% | 21.3% | 0.0% | .241 | 1.91 | .317 | 67.6% | 121 | 113 | 5.99 | ||||
| 2025 | Steamer | PROJ | 4.56 | 8.37 | 0.54 | 1.60 | 10.1% | 18.6% | -8.5% | .293 | 2.11 | .299 | 67.0% | 7.41 | ||||||
| 2025 | OOPSY | PROJ | 5.63 | 6.70 | 0.84 | 1.59 | 12.7% | 15.1% | -2.4% | .283 | 1.91 | .299 | 66.8% | 6.64 | ||||||
| 2025 | HOU | CPX | 11.57 | 9.00 | 1.29 | 0.00 | 29.0% | 22.6% | 6.5% | .167 | 1.57 | .267 | 63.6% | 57 | 88 | 4.38 | ||||
| 2025 | HOU | A | 12.38 | 5.63 | 2.20 | 0.00 | 31.4% | 14.3% | 17.1% | .200 | 1.38 | .316 | 63.6% | 110 | 65 | 2.72 | ||||
| 2025 | HOU | MiLB | 12.00 | 7.20 | 1.67 | 0.00 | 30.3% | 18.2% | 12.1% | .185 | 1.47 | .294 | 63.6% | 85 | 76 | 3.50 | ||||
| 2025 | Steamer | ROS | 5.38 | 6.40 | 0.84 | 1.45 | 12.6% | 15.0% | -2.4% | .284 | 1.85 | .301 | 68.2% | 6.24 | ||||||
| 2025 | OOPSY | ROS | 7.00 | 5.67 | 1.23 | 1.30 | 17.0% | 13.8% | 3.2% | .258 | 1.63 | .289 | 68.3% | 5.56 |
