Trennor O'Donnell
Boston Red Sox (A)P
Age: 23
Bats/Throws: R/R
6'7" / 240
DOB: 6/6/2001
(23 years, 10 months, 25 days)
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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 | BALL | NCAA | 20 | 2 | 2 | 0 | 9 | 7 | 33.2 | 9.09 | 3.21 | 0.80 | .309 | 70.4% | 3.74 | 3.41 | |||||||||
| 2022 | BALL | NCAA | 21 | 6 | 2 | 0 | 14 | 14 | 65.2 | 10.14 | 3.70 | 1.92 | .310 | 69.4% | 5.48 | 5.04 | |||||||||
| 2023 | BALL | NCAA | 22 | 5 | 4 | 0 | 16 | 15 | 92.0 | 9.49 | 3.13 | 0.88 | .266 | 75.2% | 2.93 | 3.63 | |||||||||
| 2024 | BOS | A | 23 | 3 | 7 | 1 | 20 | 6 | 63.0 | 10.14 | 3.00 | 0.43 | .335 | 52.4% | 38.7% | 5.5% | 4.00 | 3.18 | 3.35 | ||||||
| 2025 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.33 | 4.81 | 1.48 | .305 | 67.3% | 42.3% | 6.02 | 5.86 | 5.65 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 3.2 | 5.68 | 4.03 | 1.56 | .306 | 65.0% | 5.97 | 5.65 | 0.0 | ||||||||
| 2025 | BOS | A | 24 | 1 | 1 | 0 | 4 | 2 | 15.0 | 11.40 | 5.40 | 0.60 | .375 | 72.0% | 42.5% | 7.7% | 4.20 | 3.98 | 3.84 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.34 | 4.92 | 1.42 | .305 | 67.3% | 5.99 | 5.72 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 24 | 0 | 0 | 0 | 1 | 1 | 3.3 | 6.10 | 4.26 | 1.56 | .308 | 65.3% | 5.98 | 5.64 | 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 | BALL | NCAA | 20 | 2 | 2 | 0 | 9 | 7 | 33.2 | 9.09 | 3.21 | 0.80 | .309 | 70.4% | 3.74 | 3.41 | |||||||||
| 2022 | BALL | NCAA | 21 | 6 | 2 | 0 | 14 | 14 | 65.2 | 10.14 | 3.70 | 1.92 | .310 | 69.4% | 5.48 | 5.04 | |||||||||
| 2023 | BALL | NCAA | 22 | 5 | 4 | 0 | 16 | 15 | 92.0 | 9.49 | 3.13 | 0.88 | .266 | 75.2% | 2.93 | 3.63 | |||||||||
| 2024 | BOS | A | 23 | 3 | 7 | 1 | 20 | 6 | 63.0 | 10.14 | 3.00 | 0.43 | .335 | 52.4% | 38.7% | 5.5% | 4.00 | 3.18 | 3.35 | ||||||
| 2025 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.33 | 4.81 | 1.48 | .305 | 67.3% | 42.3% | 6.02 | 5.86 | 5.65 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 3.2 | 5.68 | 4.03 | 1.56 | .306 | 65.0% | 5.97 | 5.65 | 0.0 | ||||||||
| 2025 | BOS | A | 24 | 1 | 1 | 0 | 4 | 2 | 15.0 | 11.40 | 5.40 | 0.60 | .375 | 72.0% | 42.5% | 7.7% | 4.20 | 3.98 | 3.84 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.34 | 4.92 | 1.42 | .305 | 67.3% | 5.99 | 5.72 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 24 | 0 | 0 | 0 | 1 | 1 | 3.3 | 6.10 | 4.26 | 1.56 | .308 | 65.3% | 5.98 | 5.64 | 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 | 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 | BALL | NCAA | 2 | 2 | 3.74 | 9 | 7 | 0 | 0 | 0 | 33.2 | 143 | 32 | 16 | 14 | 3 | 12 | 0 | 0 | 0 | 34 | ||||
| 2022 | BALL | NCAA | 6 | 2 | 5.48 | 14 | 14 | 0 | 0 | 0 | 65.2 | 288 | 67 | 43 | 40 | 14 | 27 | 2 | 2 | 0 | 74 | ||||
| 2023 | BALL | NCAA | 5 | 4 | 2.93 | 16 | 15 | 1 | 0 | 0 | 92.0 | 382 | 72 | 37 | 30 | 9 | 32 | 7 | 7 | 0 | 97 | ||||
| 2024 | BOS | A | 3 | 7 | 4.00 | 20 | 6 | 0 | 0 | 1 | 1 | 1 | 63.0 | 288 | 66 | 46 | 28 | 3 | 21 | 0 | 5 | 8 | 1 | 71 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.97 | 1 | 1 | 0 | 0 | 0 | 3.2 | 14 | 4 | 2 | 2 | 1 | 1 | 0 | 0 | 2 | |||||
| 2025 | BOS | A | 1 | 1 | 4.20 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 15.0 | 69 | 16 | 8 | 7 | 1 | 9 | 0 | 0 | 1 | 0 | 19 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.99 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.98 | 1 | 1 | 0 | 0 | 0 | 3.3 | 15 | 4 | 2 | 2 | 1 | 2 | 0 | 0 | 2 |
| 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 | BALL | NCAA | 2 | 2 | 3.74 | 9 | 7 | 0 | 0 | 0 | 33.2 | 143 | 32 | 16 | 14 | 3 | 12 | 0 | 0 | 0 | 34 | ||||
| 2022 | BALL | NCAA | 6 | 2 | 5.48 | 14 | 14 | 0 | 0 | 0 | 65.2 | 288 | 67 | 43 | 40 | 14 | 27 | 2 | 2 | 0 | 74 | ||||
| 2023 | BALL | NCAA | 5 | 4 | 2.93 | 16 | 15 | 1 | 0 | 0 | 92.0 | 382 | 72 | 37 | 30 | 9 | 32 | 7 | 7 | 0 | 97 | ||||
| 2024 | BOS | A | 3 | 7 | 4.00 | 20 | 6 | 0 | 0 | 1 | 1 | 1 | 63.0 | 288 | 66 | 46 | 28 | 3 | 21 | 0 | 5 | 8 | 1 | 71 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.97 | 1 | 1 | 0 | 0 | 0 | 3.2 | 14 | 4 | 2 | 2 | 1 | 1 | 0 | 0 | 2 | |||||
| 2025 | BOS | A | 1 | 1 | 4.20 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 15.0 | 69 | 16 | 8 | 7 | 1 | 9 | 0 | 0 | 1 | 0 | 19 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.99 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.98 | 1 | 1 | 0 | 0 | 0 | 3.3 | 15 | 4 | 2 | 2 | 1 | 2 | 0 | 0 | 2 |
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 | BALL | NCAA | 9.09 | 3.21 | 2.83 | 0.80 | 23.8% | 8.4% | 15.4% | .244 | 1.31 | .309 | 70.4% | 3.41 | ||||||
| 2022 | BALL | NCAA | 10.14 | 3.70 | 2.74 | 1.92 | 25.7% | 9.4% | 16.3% | .259 | 1.43 | .310 | 69.4% | 5.04 | ||||||
| 2023 | BALL | NCAA | 9.49 | 3.13 | 3.03 | 0.88 | 25.4% | 8.4% | 17.0% | .210 | 1.13 | .266 | 75.2% | 3.63 | ||||||
| 2024 | BOS | A | 10.14 | 3.00 | 3.38 | 0.43 | 24.7% | 7.3% | 17.4% | .252 | 1.38 | .335 | 52.4% | 99 | 82 | 3.18 | ||||
| 2025 | Steamer | PROJ | 5.33 | 4.81 | 1.11 | 1.48 | 12.8% | 11.6% | 1.3% | .289 | 1.70 | .305 | 67.3% | 5.86 | ||||||
| 2025 | OOPSY | PROJ | 5.68 | 4.03 | 1.41 | 1.56 | 13.8% | 9.8% | 4.0% | .288 | 1.62 | .306 | 65.0% | 5.65 | ||||||
| 2025 | BOS | A | 11.40 | 5.40 | 2.11 | 0.60 | 27.5% | 13.0% | 14.5% | .267 | 1.67 | .375 | 72.0% | 91 | 90 | 3.98 | ||||
| 2025 | Steamer | ROS | 5.34 | 4.92 | 1.08 | 1.42 | 12.8% | 11.8% | 1.0% | .288 | 1.71 | .305 | 67.3% | 5.72 | ||||||
| 2025 | OOPSY | ROS | 6.10 | 4.26 | 1.43 | 1.56 | 14.8% | 10.3% | 4.4% | .286 | 1.63 | .308 | 65.3% | 5.64 |
| 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 | BALL | NCAA | 9.09 | 3.21 | 2.83 | 0.80 | 23.8% | 8.4% | 15.4% | .244 | 1.31 | .309 | 70.4% | 3.41 | ||||||
| 2022 | BALL | NCAA | 10.14 | 3.70 | 2.74 | 1.92 | 25.7% | 9.4% | 16.3% | .259 | 1.43 | .310 | 69.4% | 5.04 | ||||||
| 2023 | BALL | NCAA | 9.49 | 3.13 | 3.03 | 0.88 | 25.4% | 8.4% | 17.0% | .210 | 1.13 | .266 | 75.2% | 3.63 | ||||||
| 2024 | BOS | A | 10.14 | 3.00 | 3.38 | 0.43 | 24.7% | 7.3% | 17.4% | .252 | 1.38 | .335 | 52.4% | 99 | 82 | 3.18 | ||||
| 2025 | Steamer | PROJ | 5.33 | 4.81 | 1.11 | 1.48 | 12.8% | 11.6% | 1.3% | .289 | 1.70 | .305 | 67.3% | 5.86 | ||||||
| 2025 | OOPSY | PROJ | 5.68 | 4.03 | 1.41 | 1.56 | 13.8% | 9.8% | 4.0% | .288 | 1.62 | .306 | 65.0% | 5.65 | ||||||
| 2025 | BOS | A | 11.40 | 5.40 | 2.11 | 0.60 | 27.5% | 13.0% | 14.5% | .267 | 1.67 | .375 | 72.0% | 91 | 90 | 3.98 | ||||
| 2025 | Steamer | ROS | 5.34 | 4.92 | 1.08 | 1.42 | 12.8% | 11.8% | 1.0% | .288 | 1.71 | .305 | 67.3% | 5.72 | ||||||
| 2025 | OOPSY | ROS | 6.10 | 4.26 | 1.43 | 1.56 | 14.8% | 10.3% | 4.4% | .286 | 1.63 | .308 | 65.3% | 5.64 |
