Alejandro Rosario
Washington Nationals (A+)P
Age: 24
Bats/Throws: R/R
6'1" / 182
DOB: 1/6/2002
(24 years, 4 months, 16 days)
P
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Preseason ProjectionsIn-Season ProjectionsMinor LeaguesCollege
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIA | NCAA | 19 | 6 | 4 | 0 | 15 | 11 | 65.2 | 7.54 | 3.84 | 0.69 | .335 | 62.2% | 5.21 | 4.33 | |||||||||
| 2022 | MIA | NCAA | 20 | 2 | 3 | 0 | 15 | 12 | 60.0 | 7.80 | 3.75 | 1.65 | .371 | 64.1% | 7.05 | 6.18 | |||||||||
| 2023 | MIA | NCAA | 21 | 5 | 6 | 0 | 18 | 15 | 74.2 | 10.97 | 4.94 | 1.33 | .352 | 60.7% | 7.11 | 5.23 | |||||||||
| 2024 | TEX | A | 22 | 2 | 3 | 0 | 10 | 10 | 47.0 | 13.21 | 0.96 | 0.38 | .312 | 72.1% | 54.2% | 8.3% | 2.11 | 1.64 | 1.55 | ||||||
| 2024 | TEX | A+ | 22 | 2 | 2 | 0 | 8 | 7 | 41.1 | 13.06 | 1.74 | 0.00 | .351 | 69.0% | 43.5% | 0.0% | 2.40 | 1.31 | 2.20 | ||||||
| 2024 | TEX | MiLB | 22 | 4 | 5 | 0 | 18 | 17 | 88.1 | 13.14 | 1.32 | 0.20 | .330 | 70.6% | 49.2% | 3.8% | 2.24 | 1.49 | 1.85 | ||||||
| 2026 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.76 | 3.37 | 1.25 | .296 | 70.8% | 44.4% | 4.60 | 4.69 | 4.60 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 4.9 | 8.13 | 2.65 | 1.02 | .297 | 69.0% | 3.93 | 3.82 | 0.1 | ||||||||
| 2026 | Steamer | ROS | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.82 | 3.56 | 1.19 | .298 | 70.7% | 4.60 | 4.65 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIA | NCAA | 19 | 6 | 4 | 0 | 15 | 11 | 65.2 | 7.54 | 3.84 | 0.69 | .335 | 62.2% | 5.21 | 4.33 | |||||||||
| 2022 | MIA | NCAA | 20 | 2 | 3 | 0 | 15 | 12 | 60.0 | 7.80 | 3.75 | 1.65 | .371 | 64.1% | 7.05 | 6.18 | |||||||||
| 2023 | MIA | NCAA | 21 | 5 | 6 | 0 | 18 | 15 | 74.2 | 10.97 | 4.94 | 1.33 | .352 | 60.7% | 7.11 | 5.23 | |||||||||
| 2024 | TEX | A | 22 | 2 | 3 | 0 | 10 | 10 | 47.0 | 13.21 | 0.96 | 0.38 | .312 | 72.1% | 54.2% | 8.3% | 2.11 | 1.64 | 1.55 | ||||||
| 2024 | TEX | A+ | 22 | 2 | 2 | 0 | 8 | 7 | 41.1 | 13.06 | 1.74 | 0.00 | .351 | 69.0% | 43.5% | 0.0% | 2.40 | 1.31 | 2.20 | ||||||
| 2024 | TEX | MiLB | 22 | 4 | 5 | 0 | 18 | 17 | 88.1 | 13.14 | 1.32 | 0.20 | .330 | 70.6% | 49.2% | 3.8% | 2.24 | 1.49 | 1.85 | ||||||
| 2026 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.76 | 3.37 | 1.25 | .296 | 70.8% | 44.4% | 4.60 | 4.69 | 4.60 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 4.9 | 8.13 | 2.65 | 1.02 | .297 | 69.0% | 3.93 | 3.82 | 0.1 | ||||||||
| 2026 | Steamer | ROS | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.82 | 3.56 | 1.19 | .298 | 70.7% | 4.60 | 4.65 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesCollege
| 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 QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIA | NCAA | 6 | 4 | 5.21 | 15 | 11 | 0 | 0 | 0 | 65.2 | 299 | 75 | 44 | 38 | 5 | 28 | 2 | 7 | 0 | 55 | ||||
| 2022 | MIA | NCAA | 2 | 3 | 7.05 | 15 | 12 | 0 | 0 | 0 | 60.0 | 294 | 83 | 53 | 47 | 11 | 25 | 12 | 4 | 2 | 52 | ||||
| 2023 | MIA | NCAA | 5 | 6 | 7.11 | 18 | 15 | 0 | 0 | 0 | 74.2 | 354 | 81 | 62 | 59 | 11 | 41 | 12 | 7 | 0 | 91 | ||||
| 2024 | TEX | A | 2 | 3 | 2.11 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 47.0 | 187 | 36 | 14 | 11 | 2 | 5 | 0 | 2 | 0 | 0 | 69 | |
| 2024 | TEX | A+ | 2 | 2 | 2.40 | 8 | 7 | 0 | 0 | 0 | 0 | 0 | 41.1 | 163 | 33 | 13 | 11 | 0 | 8 | 0 | 1 | 2 | 0 | 60 | |
| 2024 | TEX | MiLB | 4 | 5 | 2.24 | 18 | 17 | 0 | 0 | 0 | 0 | 0 | 88.1 | 350 | 69 | 27 | 22 | 2 | 13 | 0 | 3 | 2 | 0 | 129 | |
| 2026 | Steamer | PROJ | 0 | 0 | 4.60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 3.93 | 1 | 1 | 1 | 0 | 0 | 4.9 | 19 | 4 | 2 | 2 | 1 | 1 | 0 | 0 | 4 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 4.60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 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 QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIA | NCAA | 6 | 4 | 5.21 | 15 | 11 | 0 | 0 | 0 | 65.2 | 299 | 75 | 44 | 38 | 5 | 28 | 2 | 7 | 0 | 55 | ||||
| 2022 | MIA | NCAA | 2 | 3 | 7.05 | 15 | 12 | 0 | 0 | 0 | 60.0 | 294 | 83 | 53 | 47 | 11 | 25 | 12 | 4 | 2 | 52 | ||||
| 2023 | MIA | NCAA | 5 | 6 | 7.11 | 18 | 15 | 0 | 0 | 0 | 74.2 | 354 | 81 | 62 | 59 | 11 | 41 | 12 | 7 | 0 | 91 | ||||
| 2024 | TEX | A | 2 | 3 | 2.11 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 47.0 | 187 | 36 | 14 | 11 | 2 | 5 | 0 | 2 | 0 | 0 | 69 | |
| 2024 | TEX | A+ | 2 | 2 | 2.40 | 8 | 7 | 0 | 0 | 0 | 0 | 0 | 41.1 | 163 | 33 | 13 | 11 | 0 | 8 | 0 | 1 | 2 | 0 | 60 | |
| 2024 | TEX | MiLB | 4 | 5 | 2.24 | 18 | 17 | 0 | 0 | 0 | 0 | 0 | 88.1 | 350 | 69 | 27 | 22 | 2 | 13 | 0 | 3 | 2 | 0 | 129 | |
| 2026 | Steamer | PROJ | 0 | 0 | 4.60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 3.93 | 1 | 1 | 1 | 0 | 0 | 4.9 | 19 | 4 | 2 | 2 | 1 | 1 | 0 | 0 | 4 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 4.60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAveragesCollege
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIA | NCAA | 7.54 | 3.84 | 1.96 | 0.69 | 18.4% | 9.4% | 9.0% | .279 | 1.57 | .335 | 62.2% | 4.33 | ||||||
| 2022 | MIA | NCAA | 7.80 | 3.75 | 2.08 | 1.65 | 17.7% | 8.5% | 9.2% | .323 | 1.80 | .371 | 64.1% | 6.18 | ||||||
| 2023 | MIA | NCAA | 10.97 | 4.94 | 2.22 | 1.33 | 25.7% | 11.6% | 14.1% | .269 | 1.63 | .352 | 60.7% | 5.23 | ||||||
| 2024 | TEX | A | 13.21 | 0.96 | 13.80 | 0.38 | 36.9% | 2.7% | 34.2% | .200 | 0.87 | .312 | 72.1% | 58 | 44 | 1.64 | ||||
| 2024 | TEX | A+ | 13.06 | 1.74 | 7.50 | 0.00 | 36.8% | 4.9% | 31.9% | .214 | 0.99 | .351 | 69.0% | 59 | 32 | 1.31 | ||||
| 2024 | TEX | MiLB | 13.14 | 1.32 | 9.92 | 0.20 | 36.9% | 3.7% | 33.1% | .207 | 0.93 | .330 | 70.6% | 59 | 38 | 1.49 | ||||
| 2026 | Steamer | PROJ | 6.76 | 3.37 | 2.01 | 1.25 | 17.2% | 8.6% | 8.7% | .265 | 1.42 | .296 | 70.8% | 4.69 | ||||||
| 2026 | OOPSY | PROJ | 8.13 | 2.65 | 3.07 | 1.02 | 22.7% | 7.4% | 15.3% | .245 | 1.19 | .297 | 69.0% | 3.82 | ||||||
| 2026 | Steamer | ROS | 6.82 | 3.56 | 1.92 | 1.19 | 17.3% | 9.0% | 8.3% | .264 | 1.44 | .298 | 70.7% | 4.65 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIA | NCAA | 7.54 | 3.84 | 1.96 | 0.69 | 18.4% | 9.4% | 9.0% | .279 | 1.57 | .335 | 62.2% | 4.33 | ||||||
| 2022 | MIA | NCAA | 7.80 | 3.75 | 2.08 | 1.65 | 17.7% | 8.5% | 9.2% | .323 | 1.80 | .371 | 64.1% | 6.18 | ||||||
| 2023 | MIA | NCAA | 10.97 | 4.94 | 2.22 | 1.33 | 25.7% | 11.6% | 14.1% | .269 | 1.63 | .352 | 60.7% | 5.23 | ||||||
| 2024 | TEX | A | 13.21 | 0.96 | 13.80 | 0.38 | 36.9% | 2.7% | 34.2% | .200 | 0.87 | .312 | 72.1% | 58 | 44 | 1.64 | ||||
| 2024 | TEX | A+ | 13.06 | 1.74 | 7.50 | 0.00 | 36.8% | 4.9% | 31.9% | .214 | 0.99 | .351 | 69.0% | 59 | 32 | 1.31 | ||||
| 2024 | TEX | MiLB | 13.14 | 1.32 | 9.92 | 0.20 | 36.9% | 3.7% | 33.1% | .207 | 0.93 | .330 | 70.6% | 59 | 38 | 1.49 | ||||
| 2026 | Steamer | PROJ | 6.76 | 3.37 | 2.01 | 1.25 | 17.2% | 8.6% | 8.7% | .265 | 1.42 | .296 | 70.8% | 4.69 | ||||||
| 2026 | OOPSY | PROJ | 8.13 | 2.65 | 3.07 | 1.02 | 22.7% | 7.4% | 15.3% | .245 | 1.19 | .297 | 69.0% | 3.82 | ||||||
| 2026 | Steamer | ROS | 6.82 | 3.56 | 1.92 | 1.19 | 17.3% | 9.0% | 8.3% | .264 | 1.44 | .298 | 70.7% | 4.65 |

