Gerlin Rosario
Tampa Bay Rays (A+)P
Age: 23
Bats/Throws: R/R
6'3" / 211
DOB: 2/15/2002
(23 years, 4 months, 7 days)
P
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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 | TBR | DSL | 20 | 1 | 2 | 0 | 12 | 7 | 53.0 | 5.94 | 0.68 | 0.34 | .280 | 77.2% | 40.5% | 3.2% | 2.38 | 3.20 | 3.56 | ||||||
| 2023 | TBR | CPX | 21 | 2 | 2 | 0 | 7 | 0 | 18.1 | 7.85 | 3.44 | 0.49 | .208 | 80.6% | 50.0% | 5.9% | 1.96 | 4.39 | 4.62 | ||||||
| 2023 | TBR | A | 21 | 1 | 0 | 3 | 13 | 0 | 23.0 | 12.91 | 2.35 | 0.78 | .386 | 82.2% | 31.0% | 8.7% | 1.96 | 3.01 | 2.91 | ||||||
| 2023 | TBR | MiLB | 21 | 3 | 2 | 3 | 20 | 0 | 41.1 | 10.67 | 2.83 | 0.65 | .305 | 81.6% | 39.6% | 7.5% | 1.96 | 3.62 | 3.67 | ||||||
| 2024 | TBR | A | 22 | 3 | 1 | 8 | 26 | 1 | 50.0 | 11.70 | 2.70 | 0.54 | .257 | 73.1% | 32.5% | 6.1% | 2.52 | 2.72 | 2.82 | ||||||
| 2024 | TBR | A+ | 22 | 0 | 0 | 0 | 8 | 0 | 13.2 | 12.51 | 9.22 | 1.32 | .355 | 77.2% | 37.5% | 15.4% | 4.61 | 6.41 | 5.71 | ||||||
| 2024 | TBR | MiLB | 22 | 3 | 1 | 8 | 34 | 1 | 63.2 | 11.87 | 4.10 | 0.71 | .278 | 74.6% | 33.6% | 8.1% | 2.97 | 3.51 | 3.44 | ||||||
| 2025 | Steamer | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.54 | 4.87 | 1.51 | .293 | 70.0% | 38.8% | 5.47 | 5.66 | 5.47 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.9 | 7.30 | 4.34 | 1.36 | .277 | 66.7% | 4.97 | 5.11 | 0.0 | ||||||||
| 2025 | TBR | A+ | 23 | 0 | 0 | 1 | 13 | 0 | 22.2 | 9.13 | 3.97 | 0.40 | .230 | 78.9% | 44.8% | 4.3% | 1.59 | 3.80 | 4.47 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.26 | 5.00 | 1.45 | .292 | 70.1% | 5.44 | 5.60 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 0 | 1.9 | 6.65 | 4.34 | 1.44 | .277 | 65.8% | 5.24 | 5.36 | 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 | TBR | DSL | 20 | 1 | 2 | 0 | 12 | 7 | 53.0 | 5.94 | 0.68 | 0.34 | .280 | 77.2% | 40.5% | 3.2% | 2.38 | 3.20 | 3.56 | ||||||
| 2023 | TBR | CPX | 21 | 2 | 2 | 0 | 7 | 0 | 18.1 | 7.85 | 3.44 | 0.49 | .208 | 80.6% | 50.0% | 5.9% | 1.96 | 4.39 | 4.62 | ||||||
| 2023 | TBR | A | 21 | 1 | 0 | 3 | 13 | 0 | 23.0 | 12.91 | 2.35 | 0.78 | .386 | 82.2% | 31.0% | 8.7% | 1.96 | 3.01 | 2.91 | ||||||
| 2023 | TBR | MiLB | 21 | 3 | 2 | 3 | 20 | 0 | 41.1 | 10.67 | 2.83 | 0.65 | .305 | 81.6% | 39.6% | 7.5% | 1.96 | 3.62 | 3.67 | ||||||
| 2024 | TBR | A | 22 | 3 | 1 | 8 | 26 | 1 | 50.0 | 11.70 | 2.70 | 0.54 | .257 | 73.1% | 32.5% | 6.1% | 2.52 | 2.72 | 2.82 | ||||||
| 2024 | TBR | A+ | 22 | 0 | 0 | 0 | 8 | 0 | 13.2 | 12.51 | 9.22 | 1.32 | .355 | 77.2% | 37.5% | 15.4% | 4.61 | 6.41 | 5.71 | ||||||
| 2024 | TBR | MiLB | 22 | 3 | 1 | 8 | 34 | 1 | 63.2 | 11.87 | 4.10 | 0.71 | .278 | 74.6% | 33.6% | 8.1% | 2.97 | 3.51 | 3.44 | ||||||
| 2025 | Steamer | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.54 | 4.87 | 1.51 | .293 | 70.0% | 38.8% | 5.47 | 5.66 | 5.47 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.9 | 7.30 | 4.34 | 1.36 | .277 | 66.7% | 4.97 | 5.11 | 0.0 | ||||||||
| 2025 | TBR | A+ | 23 | 0 | 0 | 1 | 13 | 0 | 22.2 | 9.13 | 3.97 | 0.40 | .230 | 78.9% | 44.8% | 4.3% | 1.59 | 3.80 | 4.47 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.26 | 5.00 | 1.45 | .292 | 70.1% | 5.44 | 5.60 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 0 | 1.9 | 6.65 | 4.34 | 1.44 | .277 | 65.8% | 5.24 | 5.36 | 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 | TBR | DSL | 1 | 2 | 2.38 | 12 | 7 | 0 | 0 | 0 | 0 | 0 | 53.0 | 205 | 48 | 14 | 14 | 2 | 4 | 0 | 0 | 1 | 1 | 35 | |
| 2023 | TBR | CPX | 2 | 2 | 1.96 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 18.1 | 74 | 11 | 5 | 4 | 1 | 7 | 0 | 2 | 2 | 0 | 16 | |
| 2023 | TBR | A | 1 | 0 | 1.96 | 13 | 0 | 0 | 0 | 3 | 1 | 0 | 23.0 | 100 | 24 | 8 | 5 | 2 | 6 | 0 | 2 | 2 | 0 | 33 | |
| 2023 | TBR | MiLB | 3 | 2 | 1.96 | 20 | 0 | 0 | 0 | 3 | 1 | 1 | 41.1 | 174 | 35 | 13 | 9 | 3 | 13 | 0 | 4 | 4 | 0 | 49 | |
| 2024 | TBR | A | 3 | 1 | 2.52 | 26 | 1 | 0 | 0 | 8 | 2 | 1 | 50.0 | 197 | 32 | 16 | 14 | 3 | 15 | 0 | 1 | 4 | 1 | 65 | |
| 2024 | TBR | A+ | 0 | 0 | 4.61 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 13.2 | 69 | 13 | 9 | 7 | 2 | 14 | 0 | 3 | 0 | 2 | 19 | |
| 2024 | TBR | MiLB | 3 | 1 | 2.97 | 34 | 1 | 0 | 0 | 8 | 2 | 2 | 63.2 | 266 | 45 | 25 | 21 | 5 | 29 | 0 | 4 | 4 | 3 | 84 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.47 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 4.97 | 1 | 0 | 0 | 0 | 0 | 1.9 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | |||||
| 2025 | TBR | A+ | 0 | 0 | 1.59 | 13 | 0 | 0 | 0 | 1 | 1 | 0 | 22.2 | 98 | 15 | 7 | 4 | 1 | 10 | 0 | 3 | 3 | 0 | 23 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.44 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.24 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | TBR | DSL | 1 | 2 | 2.38 | 12 | 7 | 0 | 0 | 0 | 0 | 0 | 53.0 | 205 | 48 | 14 | 14 | 2 | 4 | 0 | 0 | 1 | 1 | 35 | |
| 2023 | TBR | CPX | 2 | 2 | 1.96 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 18.1 | 74 | 11 | 5 | 4 | 1 | 7 | 0 | 2 | 2 | 0 | 16 | |
| 2023 | TBR | A | 1 | 0 | 1.96 | 13 | 0 | 0 | 0 | 3 | 1 | 0 | 23.0 | 100 | 24 | 8 | 5 | 2 | 6 | 0 | 2 | 2 | 0 | 33 | |
| 2023 | TBR | MiLB | 3 | 2 | 1.96 | 20 | 0 | 0 | 0 | 3 | 1 | 1 | 41.1 | 174 | 35 | 13 | 9 | 3 | 13 | 0 | 4 | 4 | 0 | 49 | |
| 2024 | TBR | A | 3 | 1 | 2.52 | 26 | 1 | 0 | 0 | 8 | 2 | 1 | 50.0 | 197 | 32 | 16 | 14 | 3 | 15 | 0 | 1 | 4 | 1 | 65 | |
| 2024 | TBR | A+ | 0 | 0 | 4.61 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 13.2 | 69 | 13 | 9 | 7 | 2 | 14 | 0 | 3 | 0 | 2 | 19 | |
| 2024 | TBR | MiLB | 3 | 1 | 2.97 | 34 | 1 | 0 | 0 | 8 | 2 | 2 | 63.2 | 266 | 45 | 25 | 21 | 5 | 29 | 0 | 4 | 4 | 3 | 84 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.47 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 4.97 | 1 | 0 | 0 | 0 | 0 | 1.9 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | |||||
| 2025 | TBR | A+ | 0 | 0 | 1.59 | 13 | 0 | 0 | 0 | 1 | 1 | 0 | 22.2 | 98 | 15 | 7 | 4 | 1 | 10 | 0 | 3 | 3 | 0 | 23 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.44 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.24 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | TBR | DSL | 5.94 | 0.68 | 8.75 | 0.34 | 17.1% | 2.0% | 15.1% | .239 | 0.98 | .280 | 77.2% | 51 | 69 | 3.20 | ||||
| 2023 | TBR | CPX | 7.85 | 3.44 | 2.29 | 0.49 | 21.6% | 9.5% | 12.2% | .169 | 0.98 | .208 | 80.6% | 38 | 85 | 4.39 | ||||
| 2023 | TBR | A | 12.91 | 2.35 | 5.50 | 0.78 | 33.0% | 6.0% | 27.0% | .261 | 1.30 | .386 | 82.2% | 48 | 74 | 3.01 | ||||
| 2023 | TBR | MiLB | 10.67 | 2.83 | 3.77 | 0.65 | 28.2% | 7.5% | 20.7% | .223 | 1.16 | .305 | 81.6% | 43 | 79 | 3.62 | ||||
| 2024 | TBR | A | 11.70 | 2.70 | 4.33 | 0.54 | 33.0% | 7.6% | 25.4% | .177 | 0.94 | .257 | 73.1% | 66 | 73 | 2.72 | ||||
| 2024 | TBR | A+ | 12.51 | 9.22 | 1.36 | 1.32 | 27.5% | 20.3% | 7.2% | .250 | 1.98 | .355 | 77.2% | 112 | 156 | 6.41 | ||||
| 2024 | TBR | MiLB | 11.87 | 4.10 | 2.90 | 0.71 | 31.6% | 10.9% | 20.7% | .193 | 1.16 | .278 | 74.6% | 76 | 91 | 3.51 | ||||
| 2025 | Steamer | PROJ | 6.54 | 4.87 | 1.34 | 1.51 | 16.0% | 11.9% | 4.1% | .269 | 1.61 | .293 | 70.0% | 5.66 | ||||||
| 2025 | OOPSY | PROJ | 7.30 | 4.34 | 1.68 | 1.36 | 19.2% | 11.4% | 7.8% | .245 | 1.39 | .277 | 66.7% | 5.11 | ||||||
| 2025 | TBR | A+ | 9.13 | 3.97 | 2.30 | 0.40 | 23.5% | 10.2% | 13.3% | .176 | 1.10 | .230 | 78.9% | 38 | 91 | 3.80 | ||||
| 2025 | Steamer | ROS | 6.26 | 5.00 | 1.25 | 1.45 | 15.2% | 12.2% | 3.1% | .270 | 1.62 | .292 | 70.1% | 5.60 | ||||||
| 2025 | OOPSY | ROS | 6.65 | 4.34 | 1.53 | 1.44 | 17.3% | 11.3% | 6.0% | .253 | 1.43 | .277 | 65.8% | 5.36 |
| 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 | TBR | DSL | 5.94 | 0.68 | 8.75 | 0.34 | 17.1% | 2.0% | 15.1% | .239 | 0.98 | .280 | 77.2% | 51 | 69 | 3.20 | ||||
| 2023 | TBR | CPX | 7.85 | 3.44 | 2.29 | 0.49 | 21.6% | 9.5% | 12.2% | .169 | 0.98 | .208 | 80.6% | 38 | 85 | 4.39 | ||||
| 2023 | TBR | A | 12.91 | 2.35 | 5.50 | 0.78 | 33.0% | 6.0% | 27.0% | .261 | 1.30 | .386 | 82.2% | 48 | 74 | 3.01 | ||||
| 2023 | TBR | MiLB | 10.67 | 2.83 | 3.77 | 0.65 | 28.2% | 7.5% | 20.7% | .223 | 1.16 | .305 | 81.6% | 43 | 79 | 3.62 | ||||
| 2024 | TBR | A | 11.70 | 2.70 | 4.33 | 0.54 | 33.0% | 7.6% | 25.4% | .177 | 0.94 | .257 | 73.1% | 66 | 73 | 2.72 | ||||
| 2024 | TBR | A+ | 12.51 | 9.22 | 1.36 | 1.32 | 27.5% | 20.3% | 7.2% | .250 | 1.98 | .355 | 77.2% | 112 | 156 | 6.41 | ||||
| 2024 | TBR | MiLB | 11.87 | 4.10 | 2.90 | 0.71 | 31.6% | 10.9% | 20.7% | .193 | 1.16 | .278 | 74.6% | 76 | 91 | 3.51 | ||||
| 2025 | Steamer | PROJ | 6.54 | 4.87 | 1.34 | 1.51 | 16.0% | 11.9% | 4.1% | .269 | 1.61 | .293 | 70.0% | 5.66 | ||||||
| 2025 | OOPSY | PROJ | 7.30 | 4.34 | 1.68 | 1.36 | 19.2% | 11.4% | 7.8% | .245 | 1.39 | .277 | 66.7% | 5.11 | ||||||
| 2025 | TBR | A+ | 9.13 | 3.97 | 2.30 | 0.40 | 23.5% | 10.2% | 13.3% | .176 | 1.10 | .230 | 78.9% | 38 | 91 | 3.80 | ||||
| 2025 | Steamer | ROS | 6.26 | 5.00 | 1.25 | 1.45 | 15.2% | 12.2% | 3.1% | .270 | 1.62 | .292 | 70.1% | 5.60 | ||||||
| 2025 | OOPSY | ROS | 6.65 | 4.34 | 1.53 | 1.44 | 17.3% | 11.3% | 6.0% | .253 | 1.43 | .277 | 65.8% | 5.36 |
