Osvaldo De La Rosa
Free Agent (A)P
Age: 27
Bats/Throws: R/R
6'4" / 240
DOB: 10/28/1997
(27 years, 8 months)
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | BOS | R | 20 | 1 | 2 | 4 | 19 | 0 | 27.2 | 11.71 | 2.60 | 0.00 | .317 | 78.1% | 45.0% | 0.0% | 1.63 | 2.19 | 2.47 | ||||||
| 2019 | BOS | A- | 21 | 5 | 1 | 3 | 17 | 0 | 25.2 | 9.47 | 4.21 | 0.70 | .230 | 91.9% | 27.9% | 5.6% | 1.75 | 3.95 | 3.99 | ||||||
| 2021 | BOS | CPX | 23 | 0 | 0 | 0 | 8 | 0 | 11.2 | 6.17 | 3.09 | 3.86 | .250 | 45.5% | 23.7% | 21.7% | 6.94 | 9.38 | 5.99 | ||||||
| 2022 | BOS | A | 24 | 7 | 1 | 2 | 32 | 1 | 52.1 | 7.91 | 4.13 | 0.69 | .327 | 73.6% | 40.0% | 7.8% | 4.47 | 4.74 | 4.91 | ||||||
| 2025 | Steamer | PROJ | 27 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.13 | 5.79 | 1.48 | .297 | 68.5% | 41.2% | 6.09 | 6.24 | 6.10 | 0.0 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 4.97 | 5.93 | 1.43 | .297 | 68.7% | 6.07 | 6.18 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | BOS | R | 20 | 1 | 2 | 4 | 19 | 0 | 27.2 | 11.71 | 2.60 | 0.00 | .317 | 78.1% | 45.0% | 0.0% | 1.63 | 2.19 | 2.47 | ||||||
| 2019 | BOS | A- | 21 | 5 | 1 | 3 | 17 | 0 | 25.2 | 9.47 | 4.21 | 0.70 | .230 | 91.9% | 27.9% | 5.6% | 1.75 | 3.95 | 3.99 | ||||||
| 2021 | BOS | CPX | 23 | 0 | 0 | 0 | 8 | 0 | 11.2 | 6.17 | 3.09 | 3.86 | .250 | 45.5% | 23.7% | 21.7% | 6.94 | 9.38 | 5.99 | ||||||
| 2022 | BOS | A | 24 | 7 | 1 | 2 | 32 | 1 | 52.1 | 7.91 | 4.13 | 0.69 | .327 | 73.6% | 40.0% | 7.8% | 4.47 | 4.74 | 4.91 | ||||||
| 2025 | Steamer | PROJ | 27 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.13 | 5.79 | 1.48 | .297 | 68.5% | 41.2% | 6.09 | 6.24 | 6.10 | 0.0 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 4.97 | 5.93 | 1.43 | .297 | 68.7% | 6.07 | 6.18 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | BOS | R | 1 | 2 | 1.63 | 19 | 0 | 0 | 0 | 4 | 2 | 1 | 27.2 | 111 | 20 | 7 | 5 | 0 | 8 | 1 | 4 | 4 | 1 | 36 | |
| 2019 | BOS | A- | 5 | 1 | 1.75 | 17 | 0 | 0 | 0 | 3 | 2 | 0 | 25.2 | 104 | 16 | 5 | 5 | 2 | 12 | 0 | 2 | 7 | 0 | 27 | |
| 2021 | BOS | CPX | 0 | 0 | 6.94 | 8 | 0 | 0 | 0 | 0 | 3 | 0 | 11.2 | 53 | 14 | 13 | 9 | 5 | 4 | 0 | 0 | 2 | 0 | 8 | |
| 2022 | BOS | A | 7 | 1 | 4.47 | 32 | 1 | 0 | 0 | 2 | 3 | 2 | 52.1 | 232 | 54 | 26 | 26 | 4 | 24 | 2 | 5 | 11 | 0 | 46 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.09 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | Steamer | ROS | 0 | 0 | 6.07 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | BOS | R | 1 | 2 | 1.63 | 19 | 0 | 0 | 0 | 4 | 2 | 1 | 27.2 | 111 | 20 | 7 | 5 | 0 | 8 | 1 | 4 | 4 | 1 | 36 | |
| 2019 | BOS | A- | 5 | 1 | 1.75 | 17 | 0 | 0 | 0 | 3 | 2 | 0 | 25.2 | 104 | 16 | 5 | 5 | 2 | 12 | 0 | 2 | 7 | 0 | 27 | |
| 2021 | BOS | CPX | 0 | 0 | 6.94 | 8 | 0 | 0 | 0 | 0 | 3 | 0 | 11.2 | 53 | 14 | 13 | 9 | 5 | 4 | 0 | 0 | 2 | 0 | 8 | |
| 2022 | BOS | A | 7 | 1 | 4.47 | 32 | 1 | 0 | 0 | 2 | 3 | 2 | 52.1 | 232 | 54 | 26 | 26 | 4 | 24 | 2 | 5 | 11 | 0 | 46 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.09 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | Steamer | ROS | 0 | 0 | 6.07 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | BOS | R | 11.71 | 2.60 | 4.50 | 0.00 | 32.4% | 7.2% | 25.2% | .202 | 1.01 | .317 | 78.1% | 42 | 56 | 2.19 | ||||
| 2019 | BOS | A- | 9.47 | 4.21 | 2.25 | 0.70 | 26.0% | 11.5% | 14.4% | .178 | 1.09 | .230 | 91.9% | 48 | 112 | 3.95 | ||||
| 2021 | BOS | CPX | 6.17 | 3.09 | 2.00 | 3.86 | 15.1% | 7.5% | 7.5% | .286 | 1.54 | .250 | 45.5% | 129 | 185 | 9.38 | ||||
| 2022 | BOS | A | 7.91 | 4.13 | 1.92 | 0.69 | 19.8% | 10.3% | 9.5% | .266 | 1.49 | .327 | 73.6% | 96 | 106 | 4.74 | ||||
| 2025 | Steamer | PROJ | 5.13 | 5.79 | 0.89 | 1.48 | 12.1% | 13.6% | -1.6% | .283 | 1.78 | .297 | 68.5% | 6.24 | ||||||
| 2025 | Steamer | ROS | 4.97 | 5.93 | 0.84 | 1.43 | 11.7% | 13.9% | -2.2% | .284 | 1.80 | .297 | 68.7% | 6.18 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | BOS | R | 11.71 | 2.60 | 4.50 | 0.00 | 32.4% | 7.2% | 25.2% | .202 | 1.01 | .317 | 78.1% | 42 | 56 | 2.19 | ||||
| 2019 | BOS | A- | 9.47 | 4.21 | 2.25 | 0.70 | 26.0% | 11.5% | 14.4% | .178 | 1.09 | .230 | 91.9% | 48 | 112 | 3.95 | ||||
| 2021 | BOS | CPX | 6.17 | 3.09 | 2.00 | 3.86 | 15.1% | 7.5% | 7.5% | .286 | 1.54 | .250 | 45.5% | 129 | 185 | 9.38 | ||||
| 2022 | BOS | A | 7.91 | 4.13 | 1.92 | 0.69 | 19.8% | 10.3% | 9.5% | .266 | 1.49 | .327 | 73.6% | 96 | 106 | 4.74 | ||||
| 2025 | Steamer | PROJ | 5.13 | 5.79 | 0.89 | 1.48 | 12.1% | 13.6% | -1.6% | .283 | 1.78 | .297 | 68.5% | 6.24 | ||||||
| 2025 | Steamer | ROS | 4.97 | 5.93 | 0.84 | 1.43 | 11.7% | 13.9% | -2.2% | .284 | 1.80 | .297 | 68.7% | 6.18 |
