Hayden Mullins
Boston Red Sox (A+)P
Age: 24
Bats/Throws: L/L
6'0" / 194
DOB: 9/14/2000
(24 years, 7 months, 15 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 | AUB | NCAA | 20 | 2 | 0 | 0 | 7 | 0 | 11.1 | 15.09 | 3.18 | 0.00 | .385 | 73.3% | 2.38 | 1.17 | |||||||||
| 2022 | AUB | NCAA | 21 | 2 | 1 | 0 | 11 | 8 | 34.2 | 11.16 | 6.49 | 1.04 | .244 | 79.8% | 3.63 | 5.16 | |||||||||
| 2023 | BOS | CPX | 22 | 0 | 1 | 0 | 2 | 2 | 2.2 | 23.63 | 6.75 | 0.00 | .000 | 50.0% | 0.0% | 0.0% | 3.38 | 0.95 | 1.33 | ||||||
| 2023 | BOS | A | 22 | 0 | 1 | 0 | 2 | 2 | 3.2 | 19.64 | 7.36 | 0.00 | .250 | 40.0% | 33.3% | 0.0% | 7.36 | 2.61 | 2.89 | ||||||
| 2023 | BOS | MiLB | 22 | 0 | 2 | 0 | 4 | 4 | 6.1 | 21.32 | 7.11 | 0.00 | .167 | 42.9% | 25.0% | 0.0% | 5.68 | 1.91 | 2.24 | ||||||
| 2024 | BOS | A+ | 23 | 4 | 5 | 0 | 22 | 17 | 89.0 | 11.93 | 4.25 | 1.01 | .301 | 70.3% | 42.7% | 13.7% | 3.94 | 4.12 | 3.70 | ||||||
| 2025 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 7.04 | 4.79 | 1.27 | .302 | 69.9% | 42.6% | 5.16 | 5.20 | 5.10 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 3.9 | 7.79 | 4.60 | 1.25 | .304 | 67.5% | 5.12 | 4.93 | 0.0 | ||||||||
| 2025 | BOS | A+ | 24 | 1 | 0 | 0 | 4 | 3 | 17.0 | 14.29 | 1.59 | 0.53 | .323 | 95.6% | 44.0% | 11.1% | 1.06 | 2.20 | 2.09 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 7.49 | 4.65 | 1.19 | .301 | 70.6% | 4.89 | 4.81 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 24 | 0 | 0 | 0 | 1 | 1 | 4.0 | 8.25 | 4.16 | 1.27 | .304 | 67.2% | 4.94 | 4.70 | 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 | AUB | NCAA | 20 | 2 | 0 | 0 | 7 | 0 | 11.1 | 15.09 | 3.18 | 0.00 | .385 | 73.3% | 2.38 | 1.17 | |||||||||
| 2022 | AUB | NCAA | 21 | 2 | 1 | 0 | 11 | 8 | 34.2 | 11.16 | 6.49 | 1.04 | .244 | 79.8% | 3.63 | 5.16 | |||||||||
| 2023 | BOS | CPX | 22 | 0 | 1 | 0 | 2 | 2 | 2.2 | 23.63 | 6.75 | 0.00 | .000 | 50.0% | 0.0% | 0.0% | 3.38 | 0.95 | 1.33 | ||||||
| 2023 | BOS | A | 22 | 0 | 1 | 0 | 2 | 2 | 3.2 | 19.64 | 7.36 | 0.00 | .250 | 40.0% | 33.3% | 0.0% | 7.36 | 2.61 | 2.89 | ||||||
| 2023 | BOS | MiLB | 22 | 0 | 2 | 0 | 4 | 4 | 6.1 | 21.32 | 7.11 | 0.00 | .167 | 42.9% | 25.0% | 0.0% | 5.68 | 1.91 | 2.24 | ||||||
| 2024 | BOS | A+ | 23 | 4 | 5 | 0 | 22 | 17 | 89.0 | 11.93 | 4.25 | 1.01 | .301 | 70.3% | 42.7% | 13.7% | 3.94 | 4.12 | 3.70 | ||||||
| 2025 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 7.04 | 4.79 | 1.27 | .302 | 69.9% | 42.6% | 5.16 | 5.20 | 5.10 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 3.9 | 7.79 | 4.60 | 1.25 | .304 | 67.5% | 5.12 | 4.93 | 0.0 | ||||||||
| 2025 | BOS | A+ | 24 | 1 | 0 | 0 | 4 | 3 | 17.0 | 14.29 | 1.59 | 0.53 | .323 | 95.6% | 44.0% | 11.1% | 1.06 | 2.20 | 2.09 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 7.49 | 4.65 | 1.19 | .301 | 70.6% | 4.89 | 4.81 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 24 | 0 | 0 | 0 | 1 | 1 | 4.0 | 8.25 | 4.16 | 1.27 | .304 | 67.2% | 4.94 | 4.70 | 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 | AUB | NCAA | 2 | 0 | 2.38 | 7 | 0 | 0 | 0 | 0 | 11.1 | 50 | 10 | 4 | 3 | 0 | 4 | 1 | 3 | 0 | 19 | ||||
| 2022 | AUB | NCAA | 2 | 1 | 3.63 | 11 | 8 | 0 | 0 | 0 | 34.2 | 159 | 23 | 16 | 14 | 4 | 25 | 9 | 3 | 0 | 43 | ||||
| 2023 | BOS | CPX | 0 | 1 | 3.38 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 2.2 | 11 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 2 | 0 | 7 | |
| 2023 | BOS | A | 0 | 1 | 7.36 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 3.2 | 16 | 1 | 3 | 3 | 0 | 3 | 0 | 1 | 0 | 2 | 8 | |
| 2023 | BOS | MiLB | 0 | 2 | 5.68 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 6.1 | 27 | 1 | 4 | 4 | 0 | 5 | 0 | 1 | 2 | 2 | 15 | |
| 2024 | BOS | A+ | 4 | 5 | 3.94 | 22 | 17 | 0 | 0 | 0 | 1 | 0 | 89.0 | 389 | 73 | 47 | 39 | 10 | 42 | 0 | 10 | 9 | 0 | 118 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.12 | 1 | 1 | 0 | 0 | 0 | 3.9 | 17 | 4 | 2 | 2 | 1 | 2 | 0 | 0 | 3 | |||||
| 2025 | BOS | A+ | 1 | 0 | 1.06 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 17.0 | 63 | 11 | 2 | 2 | 1 | 3 | 0 | 1 | 0 | 0 | 27 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.89 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 4.94 | 1 | 1 | 0 | 0 | 0 | 4.0 | 17 | 4 | 2 | 2 | 1 | 2 | 0 | 0 | 4 |
| 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 | AUB | NCAA | 2 | 0 | 2.38 | 7 | 0 | 0 | 0 | 0 | 11.1 | 50 | 10 | 4 | 3 | 0 | 4 | 1 | 3 | 0 | 19 | ||||
| 2022 | AUB | NCAA | 2 | 1 | 3.63 | 11 | 8 | 0 | 0 | 0 | 34.2 | 159 | 23 | 16 | 14 | 4 | 25 | 9 | 3 | 0 | 43 | ||||
| 2023 | BOS | CPX | 0 | 1 | 3.38 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 2.2 | 11 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 2 | 0 | 7 | |
| 2023 | BOS | A | 0 | 1 | 7.36 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 3.2 | 16 | 1 | 3 | 3 | 0 | 3 | 0 | 1 | 0 | 2 | 8 | |
| 2023 | BOS | MiLB | 0 | 2 | 5.68 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 6.1 | 27 | 1 | 4 | 4 | 0 | 5 | 0 | 1 | 2 | 2 | 15 | |
| 2024 | BOS | A+ | 4 | 5 | 3.94 | 22 | 17 | 0 | 0 | 0 | 1 | 0 | 89.0 | 389 | 73 | 47 | 39 | 10 | 42 | 0 | 10 | 9 | 0 | 118 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.12 | 1 | 1 | 0 | 0 | 0 | 3.9 | 17 | 4 | 2 | 2 | 1 | 2 | 0 | 0 | 3 | |||||
| 2025 | BOS | A+ | 1 | 0 | 1.06 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 17.0 | 63 | 11 | 2 | 2 | 1 | 3 | 0 | 1 | 0 | 0 | 27 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.89 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 4.94 | 1 | 1 | 0 | 0 | 0 | 4.0 | 17 | 4 | 2 | 2 | 1 | 2 | 0 | 0 | 4 |
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 | AUB | NCAA | 15.09 | 3.18 | 4.75 | 0.00 | 38.0% | 8.0% | 30.0% | .222 | 1.24 | .385 | 73.3% | 1.17 | ||||||
| 2022 | AUB | NCAA | 11.16 | 6.49 | 1.72 | 1.04 | 27.0% | 15.7% | 11.3% | .184 | 1.38 | .244 | 79.8% | 5.16 | ||||||
| 2023 | BOS | CPX | 23.63 | 6.75 | 3.50 | 0.00 | 63.6% | 18.2% | 45.5% | .000 | 0.75 | .000 | 50.0% | 61 | 18 | 0.95 | ||||
| 2023 | BOS | A | 19.64 | 7.36 | 2.67 | 0.00 | 50.0% | 18.8% | 31.3% | .083 | 1.09 | .250 | 40.0% | 169 | 63 | 2.61 | ||||
| 2023 | BOS | MiLB | 21.32 | 7.11 | 3.00 | 0.00 | 55.6% | 18.5% | 37.0% | .048 | 0.95 | .167 | 42.9% | 123 | 44 | 1.91 | ||||
| 2024 | BOS | A+ | 11.93 | 4.25 | 2.81 | 1.01 | 30.3% | 10.8% | 19.5% | .217 | 1.29 | .301 | 70.3% | 95 | 101 | 4.12 | ||||
| 2025 | Steamer | PROJ | 7.04 | 4.79 | 1.47 | 1.27 | 17.3% | 11.8% | 5.5% | .267 | 1.58 | .302 | 69.9% | 5.20 | ||||||
| 2025 | OOPSY | PROJ | 7.79 | 4.60 | 1.69 | 1.25 | 19.7% | 11.6% | 8.0% | .261 | 1.51 | .304 | 67.5% | 4.93 | ||||||
| 2025 | BOS | A+ | 14.29 | 1.59 | 9.00 | 0.53 | 42.9% | 4.8% | 38.1% | .186 | 0.82 | .323 | 95.6% | 24 | 50 | 2.20 | ||||
| 2025 | Steamer | ROS | 7.49 | 4.65 | 1.61 | 1.19 | 18.5% | 11.5% | 7.0% | .261 | 1.54 | .301 | 70.6% | 4.81 | ||||||
| 2025 | OOPSY | ROS | 8.25 | 4.16 | 1.98 | 1.27 | 21.5% | 10.8% | 10.6% | .256 | 1.42 | .304 | 67.2% | 4.70 |
| 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 | AUB | NCAA | 15.09 | 3.18 | 4.75 | 0.00 | 38.0% | 8.0% | 30.0% | .222 | 1.24 | .385 | 73.3% | 1.17 | ||||||
| 2022 | AUB | NCAA | 11.16 | 6.49 | 1.72 | 1.04 | 27.0% | 15.7% | 11.3% | .184 | 1.38 | .244 | 79.8% | 5.16 | ||||||
| 2023 | BOS | CPX | 23.63 | 6.75 | 3.50 | 0.00 | 63.6% | 18.2% | 45.5% | .000 | 0.75 | .000 | 50.0% | 61 | 18 | 0.95 | ||||
| 2023 | BOS | A | 19.64 | 7.36 | 2.67 | 0.00 | 50.0% | 18.8% | 31.3% | .083 | 1.09 | .250 | 40.0% | 169 | 63 | 2.61 | ||||
| 2023 | BOS | MiLB | 21.32 | 7.11 | 3.00 | 0.00 | 55.6% | 18.5% | 37.0% | .048 | 0.95 | .167 | 42.9% | 123 | 44 | 1.91 | ||||
| 2024 | BOS | A+ | 11.93 | 4.25 | 2.81 | 1.01 | 30.3% | 10.8% | 19.5% | .217 | 1.29 | .301 | 70.3% | 95 | 101 | 4.12 | ||||
| 2025 | Steamer | PROJ | 7.04 | 4.79 | 1.47 | 1.27 | 17.3% | 11.8% | 5.5% | .267 | 1.58 | .302 | 69.9% | 5.20 | ||||||
| 2025 | OOPSY | PROJ | 7.79 | 4.60 | 1.69 | 1.25 | 19.7% | 11.6% | 8.0% | .261 | 1.51 | .304 | 67.5% | 4.93 | ||||||
| 2025 | BOS | A+ | 14.29 | 1.59 | 9.00 | 0.53 | 42.9% | 4.8% | 38.1% | .186 | 0.82 | .323 | 95.6% | 24 | 50 | 2.20 | ||||
| 2025 | Steamer | ROS | 7.49 | 4.65 | 1.61 | 1.19 | 18.5% | 11.5% | 7.0% | .261 | 1.54 | .301 | 70.6% | 4.81 | ||||||
| 2025 | OOPSY | ROS | 8.25 | 4.16 | 1.98 | 1.27 | 21.5% | 10.8% | 10.6% | .256 | 1.42 | .304 | 67.2% | 4.70 |
