Joelvis Del Rosario
Free Agent (CPX)P
Age: 24
Bats/Throws: R/R
5'11" / 170
DOB: 4/16/2001
(24 years, 21 days)
P
Quick Links
More
Stats
Stat Groups:
Select
You can shift + click on full MLB seasons in Season Stats and games in Game Logs to select spans for aggregate stats. Read more here
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| 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 | PIT | R | 17 | 0 | 1 | 1 | 7 | 0 | 11.0 | 3.27 | 4.91 | 0.00 | .156 | 85.7% | 43.8% | 0.0% | 1.64 | 5.22 | 5.79 | ||||||
| 2019 | PIT | R | 18 | 1 | 1 | 0 | 12 | 11 | 50.1 | 7.69 | 2.86 | 0.00 | .301 | 63.8% | 59.2% | 0.0% | 3.40 | 3.24 | 3.75 | ||||||
| 2021 | PIT | CPX | 20 | 4 | 2 | 1 | 12 | 7 | 38.2 | 12.10 | 2.33 | 0.70 | .326 | 73.5% | 50.0% | 10.7% | 3.26 | 3.48 | 3.27 | ||||||
| 2022 | PIT | A | 21 | 7 | 4 | 0 | 20 | 19 | 93.0 | 7.35 | 2.42 | 1.16 | .305 | 72.1% | 50.2% | 14.3% | 3.68 | 4.53 | 4.08 | ||||||
| 2023 | OAK | A+ | 22 | 3 | 9 | 0 | 19 | 14 | 80.1 | 7.73 | 3.47 | 1.01 | .303 | 68.4% | 46.9% | 11.0% | 4.82 | 4.47 | 4.14 | ||||||
| 2023 | OAK | AA | 22 | 2 | 1 | 0 | 5 | 4 | 23.2 | 6.08 | 2.28 | 2.28 | .364 | 70.2% | 41.0% | 19.4% | 7.23 | 6.90 | 5.64 | ||||||
| 2023 | OAK | MiLB | 22 | 5 | 10 | 0 | 24 | 18 | 104.0 | 7.36 | 3.20 | 1.30 | .318 | 68.9% | 45.3% | 13.3% | 5.37 | 5.03 | 4.48 | ||||||
| 2023 | OAK | ST | 22 | 0 | 0 | 0 | 1 | 0 | 2.2 | 13.50 | 10.13 | 0.00 | .571 | 50.0% | 14.3% | 0.0% | 13.50 | 5.31 | 6.65 | ||||||
| 2024 | OAK | CPX | 23 | 0 | 0 | 0 | 2 | 2 | 4.0 | 11.25 | 0.00 | 0.00 | .222 | 100.0% | 55.6% | 0.0% | 0.00 | 2.20 | 2.67 | ||||||
| 2025 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.55 | 3.16 | 1.39 | .297 | 69.1% | 44.1% | 5.05 | 5.14 | 4.94 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 4.4 | 4.15 | 3.48 | 1.37 | .302 | 60.8% | 5.95 | 5.52 | 0.0 | ||||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.42 | 3.30 | 1.35 | .297 | 69.3% | 5.04 | 5.04 | 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 | PIT | R | 17 | 0 | 1 | 1 | 7 | 0 | 11.0 | 3.27 | 4.91 | 0.00 | .156 | 85.7% | 43.8% | 0.0% | 1.64 | 5.22 | 5.79 | ||||||
| 2019 | PIT | R | 18 | 1 | 1 | 0 | 12 | 11 | 50.1 | 7.69 | 2.86 | 0.00 | .301 | 63.8% | 59.2% | 0.0% | 3.40 | 3.24 | 3.75 | ||||||
| 2021 | PIT | CPX | 20 | 4 | 2 | 1 | 12 | 7 | 38.2 | 12.10 | 2.33 | 0.70 | .326 | 73.5% | 50.0% | 10.7% | 3.26 | 3.48 | 3.27 | ||||||
| 2022 | PIT | A | 21 | 7 | 4 | 0 | 20 | 19 | 93.0 | 7.35 | 2.42 | 1.16 | .305 | 72.1% | 50.2% | 14.3% | 3.68 | 4.53 | 4.08 | ||||||
| 2023 | OAK | A+ | 22 | 3 | 9 | 0 | 19 | 14 | 80.1 | 7.73 | 3.47 | 1.01 | .303 | 68.4% | 46.9% | 11.0% | 4.82 | 4.47 | 4.14 | ||||||
| 2023 | OAK | AA | 22 | 2 | 1 | 0 | 5 | 4 | 23.2 | 6.08 | 2.28 | 2.28 | .364 | 70.2% | 41.0% | 19.4% | 7.23 | 6.90 | 5.64 | ||||||
| 2023 | OAK | MiLB | 22 | 5 | 10 | 0 | 24 | 18 | 104.0 | 7.36 | 3.20 | 1.30 | .318 | 68.9% | 45.3% | 13.3% | 5.37 | 5.03 | 4.48 | ||||||
| 2023 | OAK | ST | 22 | 0 | 0 | 0 | 1 | 0 | 2.2 | 13.50 | 10.13 | 0.00 | .571 | 50.0% | 14.3% | 0.0% | 13.50 | 5.31 | 6.65 | ||||||
| 2024 | OAK | CPX | 23 | 0 | 0 | 0 | 2 | 2 | 4.0 | 11.25 | 0.00 | 0.00 | .222 | 100.0% | 55.6% | 0.0% | 0.00 | 2.20 | 2.67 | ||||||
| 2025 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.55 | 3.16 | 1.39 | .297 | 69.1% | 44.1% | 5.05 | 5.14 | 4.94 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 4.4 | 4.15 | 3.48 | 1.37 | .302 | 60.8% | 5.95 | 5.52 | 0.0 | ||||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.42 | 3.30 | 1.35 | .297 | 69.3% | 5.04 | 5.04 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| 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 | PIT | R | 0 | 1 | 1.64 | 7 | 0 | 0 | 0 | 1 | 0 | 1 | 11.0 | 45 | 5 | 2 | 2 | 0 | 6 | 0 | 3 | 2 | 0 | 4 | |
| 2019 | PIT | R | 1 | 1 | 3.40 | 12 | 11 | 0 | 0 | 0 | 0 | 0 | 50.1 | 221 | 47 | 25 | 19 | 0 | 16 | 0 | 6 | 5 | 1 | 43 | |
| 2021 | PIT | CPX | 4 | 2 | 3.26 | 12 | 7 | 0 | 0 | 1 | 0 | 0 | 38.2 | 157 | 32 | 15 | 14 | 3 | 10 | 0 | 3 | 4 | 0 | 52 | |
| 2022 | PIT | A | 7 | 4 | 3.68 | 20 | 19 | 0 | 0 | 0 | 0 | 0 | 93.0 | 390 | 95 | 47 | 38 | 12 | 25 | 0 | 5 | 3 | 1 | 76 | |
| 2023 | OAK | A+ | 3 | 9 | 4.82 | 19 | 14 | 0 | 0 | 0 | 0 | 0 | 80.1 | 342 | 79 | 44 | 43 | 9 | 31 | 0 | 2 | 3 | 1 | 69 | |
| 2023 | OAK | AA | 2 | 1 | 7.23 | 5 | 4 | 0 | 0 | 0 | 0 | 1 | 23.2 | 109 | 34 | 19 | 19 | 6 | 6 | 0 | 4 | 0 | 0 | 16 | |
| 2023 | OAK | MiLB | 5 | 10 | 5.37 | 24 | 18 | 0 | 0 | 0 | 0 | 1 | 104.0 | 451 | 113 | 63 | 62 | 15 | 37 | 0 | 6 | 3 | 1 | 85 | |
| 2023 | OAK | ST | 0 | 0 | 13.50 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 15 | 4 | 4 | 4 | 0 | 3 | 0 | 1 | 1 | 0 | 4 | |
| 2024 | OAK | CPX | 0 | 0 | 0.00 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 4.0 | 14 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.95 | 1 | 1 | 0 | 0 | 0 | 4.4 | 19 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 2 | |||||
| 2025 | Steamer | ROS | 0 | 0 | 5.04 | 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 | 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 | PIT | R | 0 | 1 | 1.64 | 7 | 0 | 0 | 0 | 1 | 0 | 1 | 11.0 | 45 | 5 | 2 | 2 | 0 | 6 | 0 | 3 | 2 | 0 | 4 | |
| 2019 | PIT | R | 1 | 1 | 3.40 | 12 | 11 | 0 | 0 | 0 | 0 | 0 | 50.1 | 221 | 47 | 25 | 19 | 0 | 16 | 0 | 6 | 5 | 1 | 43 | |
| 2021 | PIT | CPX | 4 | 2 | 3.26 | 12 | 7 | 0 | 0 | 1 | 0 | 0 | 38.2 | 157 | 32 | 15 | 14 | 3 | 10 | 0 | 3 | 4 | 0 | 52 | |
| 2022 | PIT | A | 7 | 4 | 3.68 | 20 | 19 | 0 | 0 | 0 | 0 | 0 | 93.0 | 390 | 95 | 47 | 38 | 12 | 25 | 0 | 5 | 3 | 1 | 76 | |
| 2023 | OAK | A+ | 3 | 9 | 4.82 | 19 | 14 | 0 | 0 | 0 | 0 | 0 | 80.1 | 342 | 79 | 44 | 43 | 9 | 31 | 0 | 2 | 3 | 1 | 69 | |
| 2023 | OAK | AA | 2 | 1 | 7.23 | 5 | 4 | 0 | 0 | 0 | 0 | 1 | 23.2 | 109 | 34 | 19 | 19 | 6 | 6 | 0 | 4 | 0 | 0 | 16 | |
| 2023 | OAK | MiLB | 5 | 10 | 5.37 | 24 | 18 | 0 | 0 | 0 | 0 | 1 | 104.0 | 451 | 113 | 63 | 62 | 15 | 37 | 0 | 6 | 3 | 1 | 85 | |
| 2023 | OAK | ST | 0 | 0 | 13.50 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 15 | 4 | 4 | 4 | 0 | 3 | 0 | 1 | 1 | 0 | 4 | |
| 2024 | OAK | CPX | 0 | 0 | 0.00 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 4.0 | 14 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.95 | 1 | 1 | 0 | 0 | 0 | 4.4 | 19 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 2 | |||||
| 2025 | Steamer | ROS | 0 | 0 | 5.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingAverages
| 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 | PIT | R | 3.27 | 4.91 | 0.67 | 0.00 | 8.9% | 13.3% | -4.4% | .139 | 1.00 | .156 | 85.7% | 44 | 141 | 5.22 | ||||
| 2019 | PIT | R | 7.69 | 2.86 | 2.69 | 0.00 | 19.5% | 7.2% | 12.2% | .236 | 1.25 | .301 | 63.8% | 82 | 80 | 3.24 | ||||
| 2021 | PIT | CPX | 12.10 | 2.33 | 5.20 | 0.70 | 33.1% | 6.4% | 26.8% | .222 | 1.09 | .326 | 73.5% | 69 | 71 | 3.48 | ||||
| 2022 | PIT | A | 7.35 | 2.42 | 3.04 | 1.16 | 19.5% | 6.4% | 13.1% | .264 | 1.29 | .305 | 72.1% | 92 | 112 | 4.53 | ||||
| 2023 | OAK | A+ | 7.73 | 3.47 | 2.23 | 1.01 | 20.2% | 9.1% | 11.1% | .256 | 1.37 | .303 | 68.4% | 103 | 102 | 4.47 | ||||
| 2023 | OAK | AA | 6.08 | 2.28 | 2.67 | 2.28 | 14.7% | 5.5% | 9.2% | .343 | 1.69 | .364 | 70.2% | 149 | 150 | 6.90 | ||||
| 2023 | OAK | MiLB | 7.36 | 3.20 | 2.30 | 1.30 | 18.8% | 8.2% | 10.6% | .277 | 1.44 | .318 | 68.9% | 114 | 113 | 5.03 | ||||
| 2023 | OAK | ST | 13.50 | 10.13 | 1.33 | 0.00 | 26.7% | 20.0% | 6.7% | .364 | 2.63 | .571 | 50.0% | 291 | 111 | 5.31 | ||||
| 2024 | OAK | CPX | 11.25 | 0.00 | 5.00 | 0.00 | 35.7% | 0.0% | 35.7% | .143 | 0.50 | .222 | 100.0% | 0 | 42 | 2.20 | ||||
| 2025 | Steamer | PROJ | 5.55 | 3.16 | 1.76 | 1.39 | 14.0% | 8.0% | 6.0% | .278 | 1.47 | .297 | 69.1% | 5.14 | ||||||
| 2025 | OOPSY | PROJ | 4.15 | 3.48 | 1.19 | 1.37 | 10.8% | 9.1% | 1.7% | .293 | 1.51 | .302 | 60.8% | 5.52 | ||||||
| 2025 | Steamer | ROS | 5.42 | 3.30 | 1.64 | 1.35 | 13.6% | 8.3% | 5.3% | .279 | 1.49 | .297 | 69.3% | 5.04 |
| 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 | PIT | R | 3.27 | 4.91 | 0.67 | 0.00 | 8.9% | 13.3% | -4.4% | .139 | 1.00 | .156 | 85.7% | 44 | 141 | 5.22 | ||||
| 2019 | PIT | R | 7.69 | 2.86 | 2.69 | 0.00 | 19.5% | 7.2% | 12.2% | .236 | 1.25 | .301 | 63.8% | 82 | 80 | 3.24 | ||||
| 2021 | PIT | CPX | 12.10 | 2.33 | 5.20 | 0.70 | 33.1% | 6.4% | 26.8% | .222 | 1.09 | .326 | 73.5% | 69 | 71 | 3.48 | ||||
| 2022 | PIT | A | 7.35 | 2.42 | 3.04 | 1.16 | 19.5% | 6.4% | 13.1% | .264 | 1.29 | .305 | 72.1% | 92 | 112 | 4.53 | ||||
| 2023 | OAK | A+ | 7.73 | 3.47 | 2.23 | 1.01 | 20.2% | 9.1% | 11.1% | .256 | 1.37 | .303 | 68.4% | 103 | 102 | 4.47 | ||||
| 2023 | OAK | AA | 6.08 | 2.28 | 2.67 | 2.28 | 14.7% | 5.5% | 9.2% | .343 | 1.69 | .364 | 70.2% | 149 | 150 | 6.90 | ||||
| 2023 | OAK | MiLB | 7.36 | 3.20 | 2.30 | 1.30 | 18.8% | 8.2% | 10.6% | .277 | 1.44 | .318 | 68.9% | 114 | 113 | 5.03 | ||||
| 2023 | OAK | ST | 13.50 | 10.13 | 1.33 | 0.00 | 26.7% | 20.0% | 6.7% | .364 | 2.63 | .571 | 50.0% | 291 | 111 | 5.31 | ||||
| 2024 | OAK | CPX | 11.25 | 0.00 | 5.00 | 0.00 | 35.7% | 0.0% | 35.7% | .143 | 0.50 | .222 | 100.0% | 0 | 42 | 2.20 | ||||
| 2025 | Steamer | PROJ | 5.55 | 3.16 | 1.76 | 1.39 | 14.0% | 8.0% | 6.0% | .278 | 1.47 | .297 | 69.1% | 5.14 | ||||||
| 2025 | OOPSY | PROJ | 4.15 | 3.48 | 1.19 | 1.37 | 10.8% | 9.1% | 1.7% | .293 | 1.51 | .302 | 60.8% | 5.52 | ||||||
| 2025 | Steamer | ROS | 5.42 | 3.30 | 1.64 | 1.35 | 13.6% | 8.3% | 5.3% | .279 | 1.49 | .297 | 69.3% | 5.04 |
