Jeremy Wu-Yelland
Boston Red Sox (A+)P
Age: 25
Bats/Throws: L/L
6'2" / 210
DOB: 6/24/1999
(25 years, 10 months, 7 days)
P
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | A | 22 | 1 | 3 | 0 | 20 | 20 | 67.0 | 10.34 | 4.84 | 0.54 | .274 | 67.9% | 37.3% | 5.7% | 4.03 | 4.29 | 4.92 | ||||||
| 2021 | BOS | A+ | 22 | 1 | 1 | 0 | 3 | 3 | 9.0 | 13.00 | 6.00 | 1.00 | .294 | 87.3% | 33.3% | 10.0% | 3.00 | 4.99 | 5.58 | ||||||
| 2021 | BOS | MiLB | 22 | 2 | 4 | 0 | 23 | 23 | 76.0 | 10.66 | 4.97 | 0.59 | .276 | 70.4% | 37.0% | 6.3% | 3.91 | 4.37 | 5.00 | ||||||
| 2023 | BOS | CPX | 24 | 0 | 0 | 0 | 3 | 2 | 4.0 | 4.50 | 11.25 | 2.25 | .273 | 65.8% | 66.7% | 33.3% | 9.00 | 9.95 | 7.46 | ||||||
| 2024 | BOS | A+ | 25 | 2 | 1 | 1 | 23 | 0 | 33.1 | 11.34 | 6.21 | 0.27 | .333 | 52.2% | 46.4% | 4.3% | 5.67 | 3.77 | 4.25 | ||||||
| 2024 | BOS | ST | 25 | 0 | 0 | 0 | 1 | 0 | 1.0 | 9.00 | 18.00 | 0.00 | .000 | 100.0% | 0.0% | 0.0% | 0.00 | 7.74 | 11.15 | ||||||
| 2025 | Steamer | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.52 | 6.18 | 1.20 | .305 | 70.0% | 43.6% | 5.54 | 5.66 | 5.65 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.4 | 6.73 | 5.80 | 1.35 | .308 | 68.2% | 5.84 | 5.72 | 0.0 | ||||||||
| 2025 | BOS | A+ | 26 | 1 | 1 | 2 | 6 | 0 | 8.2 | 17.65 | 5.19 | 0.00 | .400 | 91.7% | 38.5% | 0.0% | 1.04 | 2.04 | 2.62 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.10 | 6.26 | 1.11 | .305 | 70.7% | 5.29 | 5.34 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 26 | 0 | 0 | 0 | 1 | 0 | 1.4 | 7.87 | 5.55 | 1.34 | .310 | 69.2% | 5.54 | 5.38 | 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 | BOS | A | 22 | 1 | 3 | 0 | 20 | 20 | 67.0 | 10.34 | 4.84 | 0.54 | .274 | 67.9% | 37.3% | 5.7% | 4.03 | 4.29 | 4.92 | ||||||
| 2021 | BOS | A+ | 22 | 1 | 1 | 0 | 3 | 3 | 9.0 | 13.00 | 6.00 | 1.00 | .294 | 87.3% | 33.3% | 10.0% | 3.00 | 4.99 | 5.58 | ||||||
| 2021 | BOS | MiLB | 22 | 2 | 4 | 0 | 23 | 23 | 76.0 | 10.66 | 4.97 | 0.59 | .276 | 70.4% | 37.0% | 6.3% | 3.91 | 4.37 | 5.00 | ||||||
| 2023 | BOS | CPX | 24 | 0 | 0 | 0 | 3 | 2 | 4.0 | 4.50 | 11.25 | 2.25 | .273 | 65.8% | 66.7% | 33.3% | 9.00 | 9.95 | 7.46 | ||||||
| 2024 | BOS | A+ | 25 | 2 | 1 | 1 | 23 | 0 | 33.1 | 11.34 | 6.21 | 0.27 | .333 | 52.2% | 46.4% | 4.3% | 5.67 | 3.77 | 4.25 | ||||||
| 2024 | BOS | ST | 25 | 0 | 0 | 0 | 1 | 0 | 1.0 | 9.00 | 18.00 | 0.00 | .000 | 100.0% | 0.0% | 0.0% | 0.00 | 7.74 | 11.15 | ||||||
| 2025 | Steamer | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.52 | 6.18 | 1.20 | .305 | 70.0% | 43.6% | 5.54 | 5.66 | 5.65 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.4 | 6.73 | 5.80 | 1.35 | .308 | 68.2% | 5.84 | 5.72 | 0.0 | ||||||||
| 2025 | BOS | A+ | 26 | 1 | 1 | 2 | 6 | 0 | 8.2 | 17.65 | 5.19 | 0.00 | .400 | 91.7% | 38.5% | 0.0% | 1.04 | 2.04 | 2.62 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.10 | 6.26 | 1.11 | .305 | 70.7% | 5.29 | 5.34 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 26 | 0 | 0 | 0 | 1 | 0 | 1.4 | 7.87 | 5.55 | 1.34 | .310 | 69.2% | 5.54 | 5.38 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | A | 1 | 3 | 4.03 | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 67.0 | 290 | 50 | 33 | 30 | 4 | 36 | 0 | 5 | 10 | 5 | 77 | |
| 2021 | BOS | A+ | 1 | 1 | 3.00 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 9.0 | 39 | 6 | 3 | 3 | 1 | 6 | 0 | 2 | 1 | 0 | 13 | |
| 2021 | BOS | MiLB | 2 | 4 | 3.91 | 23 | 23 | 0 | 0 | 0 | 0 | 0 | 76.0 | 329 | 56 | 36 | 33 | 5 | 42 | 0 | 7 | 11 | 5 | 90 | |
| 2023 | BOS | CPX | 0 | 0 | 9.00 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 4.0 | 19 | 4 | 4 | 4 | 1 | 5 | 0 | 0 | 0 | 0 | 2 | |
| 2024 | BOS | A+ | 2 | 1 | 5.67 | 23 | 0 | 0 | 0 | 1 | 3 | 1 | 33.1 | 159 | 31 | 28 | 21 | 1 | 23 | 0 | 3 | 6 | 1 | 42 | |
| 2024 | BOS | ST | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.54 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.84 | 1 | 0 | 0 | 0 | 0 | 1.4 | 7 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2025 | BOS | A+ | 1 | 1 | 1.04 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 8.2 | 38 | 6 | 1 | 1 | 0 | 5 | 0 | 1 | 1 | 1 | 17 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.29 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.54 | 1 | 0 | 0 | 0 | 0 | 1.4 | 7 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | A | 1 | 3 | 4.03 | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 67.0 | 290 | 50 | 33 | 30 | 4 | 36 | 0 | 5 | 10 | 5 | 77 | |
| 2021 | BOS | A+ | 1 | 1 | 3.00 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 9.0 | 39 | 6 | 3 | 3 | 1 | 6 | 0 | 2 | 1 | 0 | 13 | |
| 2021 | BOS | MiLB | 2 | 4 | 3.91 | 23 | 23 | 0 | 0 | 0 | 0 | 0 | 76.0 | 329 | 56 | 36 | 33 | 5 | 42 | 0 | 7 | 11 | 5 | 90 | |
| 2023 | BOS | CPX | 0 | 0 | 9.00 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 4.0 | 19 | 4 | 4 | 4 | 1 | 5 | 0 | 0 | 0 | 0 | 2 | |
| 2024 | BOS | A+ | 2 | 1 | 5.67 | 23 | 0 | 0 | 0 | 1 | 3 | 1 | 33.1 | 159 | 31 | 28 | 21 | 1 | 23 | 0 | 3 | 6 | 1 | 42 | |
| 2024 | BOS | ST | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.54 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.84 | 1 | 0 | 0 | 0 | 0 | 1.4 | 7 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2025 | BOS | A+ | 1 | 1 | 1.04 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 8.2 | 38 | 6 | 1 | 1 | 0 | 5 | 0 | 1 | 1 | 1 | 17 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.29 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.54 | 1 | 0 | 0 | 0 | 0 | 1.4 | 7 | 2 | 1 | 1 | 0 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | A | 10.34 | 4.84 | 2.14 | 0.54 | 26.6% | 12.4% | 14.1% | .201 | 1.28 | .274 | 67.9% | 83 | 92 | 4.29 | ||||
| 2021 | BOS | A+ | 13.00 | 6.00 | 2.17 | 1.00 | 33.3% | 15.4% | 17.9% | .194 | 1.33 | .294 | 87.3% | 63 | 107 | 4.99 | ||||
| 2021 | BOS | MiLB | 10.66 | 4.97 | 2.14 | 0.59 | 27.4% | 12.8% | 14.6% | .200 | 1.29 | .276 | 70.4% | 81 | 94 | 4.37 | ||||
| 2023 | BOS | CPX | 4.50 | 11.25 | 0.40 | 2.25 | 10.5% | 26.3% | -15.8% | .286 | 2.25 | .273 | 65.8% | 162 | 191 | 9.95 | ||||
| 2024 | BOS | A+ | 11.34 | 6.21 | 1.83 | 0.27 | 26.4% | 14.5% | 11.9% | .233 | 1.62 | .333 | 52.2% | 137 | 93 | 3.77 | ||||
| 2024 | BOS | ST | 9.00 | 18.00 | 0.50 | 0.00 | 20.0% | 40.0% | -20.0% | .000 | 2.00 | .000 | 100.0% | 0 | 166 | 7.74 | ||||
| 2025 | Steamer | PROJ | 6.52 | 6.18 | 1.05 | 1.20 | 15.5% | 14.7% | 0.8% | .272 | 1.76 | .305 | 70.0% | 5.66 | ||||||
| 2025 | OOPSY | PROJ | 6.73 | 5.80 | 1.16 | 1.35 | 15.6% | 13.4% | 2.2% | .277 | 1.78 | .308 | 68.2% | 5.72 | ||||||
| 2025 | BOS | A+ | 17.65 | 5.19 | 3.40 | 0.00 | 44.7% | 13.2% | 31.6% | .188 | 1.27 | .400 | 91.7% | 23 | 47 | 2.04 | ||||
| 2025 | Steamer | ROS | 7.10 | 6.26 | 1.13 | 1.11 | 16.9% | 14.9% | 2.0% | .265 | 1.73 | .305 | 70.7% | 5.34 | ||||||
| 2025 | OOPSY | ROS | 7.87 | 5.55 | 1.42 | 1.34 | 18.4% | 13.0% | 5.4% | .269 | 1.72 | .310 | 69.2% | 5.38 |
| 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 | BOS | A | 10.34 | 4.84 | 2.14 | 0.54 | 26.6% | 12.4% | 14.1% | .201 | 1.28 | .274 | 67.9% | 83 | 92 | 4.29 | ||||
| 2021 | BOS | A+ | 13.00 | 6.00 | 2.17 | 1.00 | 33.3% | 15.4% | 17.9% | .194 | 1.33 | .294 | 87.3% | 63 | 107 | 4.99 | ||||
| 2021 | BOS | MiLB | 10.66 | 4.97 | 2.14 | 0.59 | 27.4% | 12.8% | 14.6% | .200 | 1.29 | .276 | 70.4% | 81 | 94 | 4.37 | ||||
| 2023 | BOS | CPX | 4.50 | 11.25 | 0.40 | 2.25 | 10.5% | 26.3% | -15.8% | .286 | 2.25 | .273 | 65.8% | 162 | 191 | 9.95 | ||||
| 2024 | BOS | A+ | 11.34 | 6.21 | 1.83 | 0.27 | 26.4% | 14.5% | 11.9% | .233 | 1.62 | .333 | 52.2% | 137 | 93 | 3.77 | ||||
| 2024 | BOS | ST | 9.00 | 18.00 | 0.50 | 0.00 | 20.0% | 40.0% | -20.0% | .000 | 2.00 | .000 | 100.0% | 0 | 166 | 7.74 | ||||
| 2025 | Steamer | PROJ | 6.52 | 6.18 | 1.05 | 1.20 | 15.5% | 14.7% | 0.8% | .272 | 1.76 | .305 | 70.0% | 5.66 | ||||||
| 2025 | OOPSY | PROJ | 6.73 | 5.80 | 1.16 | 1.35 | 15.6% | 13.4% | 2.2% | .277 | 1.78 | .308 | 68.2% | 5.72 | ||||||
| 2025 | BOS | A+ | 17.65 | 5.19 | 3.40 | 0.00 | 44.7% | 13.2% | 31.6% | .188 | 1.27 | .400 | 91.7% | 23 | 47 | 2.04 | ||||
| 2025 | Steamer | ROS | 7.10 | 6.26 | 1.13 | 1.11 | 16.9% | 14.9% | 2.0% | .265 | 1.73 | .305 | 70.7% | 5.34 | ||||||
| 2025 | OOPSY | ROS | 7.87 | 5.55 | 1.42 | 1.34 | 18.4% | 13.0% | 5.4% | .269 | 1.72 | .310 | 69.2% | 5.38 |
