Mason McGwire
Chicago Cubs (A)P
Age: 21
Bats/Throws: R/R
6'4" / 190
DOB: 1/5/2004
(21 years, 4 months, 28 days)
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | CHC | CPX | 19 | 1 | 6 | 0 | 11 | 10 | 35.1 | 9.17 | 7.39 | 1.27 | .398 | 51.9% | 44.3% | 13.9% | 9.42 | 7.79 | 7.00 | ||||||
| 2024 | CHC | A | 20 | 0 | 4 | 0 | 15 | 8 | 41.0 | 6.59 | 7.46 | 0.88 | .300 | 66.3% | 54.5% | 14.8% | 5.71 | 5.94 | 5.27 | ||||||
| 2025 | Steamer | PROJ | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.70 | 6.26 | 1.43 | .301 | 67.9% | 45.0% | 6.32 | 6.42 | 6.17 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 1 | 2.9 | 3.99 | 6.96 | 1.38 | .294 | 65.0% | 6.71 | 6.78 | 0.0 | ||||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.57 | 6.46 | 1.37 | .301 | 68.1% | 6.29 | 6.33 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | CHC | CPX | 19 | 1 | 6 | 0 | 11 | 10 | 35.1 | 9.17 | 7.39 | 1.27 | .398 | 51.9% | 44.3% | 13.9% | 9.42 | 7.79 | 7.00 | ||||||
| 2024 | CHC | A | 20 | 0 | 4 | 0 | 15 | 8 | 41.0 | 6.59 | 7.46 | 0.88 | .300 | 66.3% | 54.5% | 14.8% | 5.71 | 5.94 | 5.27 | ||||||
| 2025 | Steamer | PROJ | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.70 | 6.26 | 1.43 | .301 | 67.9% | 45.0% | 6.32 | 6.42 | 6.17 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 1 | 2.9 | 3.99 | 6.96 | 1.38 | .294 | 65.0% | 6.71 | 6.78 | 0.0 | ||||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.57 | 6.46 | 1.37 | .301 | 68.1% | 6.29 | 6.33 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | CHC | CPX | 1 | 6 | 9.42 | 11 | 10 | 0 | 0 | 0 | 0 | 0 | 35.1 | 185 | 48 | 44 | 37 | 5 | 29 | 0 | 7 | 8 | 2 | 36 | |
| 2024 | CHC | A | 0 | 4 | 5.71 | 15 | 8 | 0 | 0 | 0 | 0 | 0 | 41.0 | 189 | 40 | 29 | 26 | 4 | 34 | 0 | 1 | 11 | 1 | 30 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.71 | 1 | 1 | 0 | 0 | 0 | 2.9 | 14 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 1 | |||||
| 2025 | Steamer | ROS | 0 | 0 | 6.29 | 0 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | CHC | CPX | 1 | 6 | 9.42 | 11 | 10 | 0 | 0 | 0 | 0 | 0 | 35.1 | 185 | 48 | 44 | 37 | 5 | 29 | 0 | 7 | 8 | 2 | 36 | |
| 2024 | CHC | A | 0 | 4 | 5.71 | 15 | 8 | 0 | 0 | 0 | 0 | 0 | 41.0 | 189 | 40 | 29 | 26 | 4 | 34 | 0 | 1 | 11 | 1 | 30 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.71 | 1 | 1 | 0 | 0 | 0 | 2.9 | 14 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 1 | |||||
| 2025 | Steamer | ROS | 0 | 0 | 6.29 | 0 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | CHC | CPX | 9.17 | 7.39 | 1.24 | 1.27 | 19.5% | 15.7% | 3.8% | .322 | 2.18 | .398 | 51.9% | 166 | 135 | 7.79 | ||||
| 2024 | CHC | A | 6.59 | 7.46 | 0.88 | 0.88 | 15.9% | 18.0% | -2.1% | .260 | 1.80 | .300 | 66.3% | 158 | 159 | 5.94 | ||||
| 2025 | Steamer | PROJ | 4.70 | 6.26 | 0.75 | 1.43 | 10.9% | 14.6% | -3.6% | .290 | 1.86 | .301 | 67.9% | 6.42 | ||||||
| 2025 | OOPSY | PROJ | 3.99 | 6.96 | 0.57 | 1.38 | 9.2% | 16.0% | -6.8% | .288 | 1.93 | .294 | 65.0% | 6.78 | ||||||
| 2025 | Steamer | ROS | 4.57 | 6.46 | 0.71 | 1.37 | 10.6% | 15.0% | -4.4% | .289 | 1.88 | .301 | 68.1% | 6.33 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | CHC | CPX | 9.17 | 7.39 | 1.24 | 1.27 | 19.5% | 15.7% | 3.8% | .322 | 2.18 | .398 | 51.9% | 166 | 135 | 7.79 | ||||
| 2024 | CHC | A | 6.59 | 7.46 | 0.88 | 0.88 | 15.9% | 18.0% | -2.1% | .260 | 1.80 | .300 | 66.3% | 158 | 159 | 5.94 | ||||
| 2025 | Steamer | PROJ | 4.70 | 6.26 | 0.75 | 1.43 | 10.9% | 14.6% | -3.6% | .290 | 1.86 | .301 | 67.9% | 6.42 | ||||||
| 2025 | OOPSY | PROJ | 3.99 | 6.96 | 0.57 | 1.38 | 9.2% | 16.0% | -6.8% | .288 | 1.93 | .294 | 65.0% | 6.78 | ||||||
| 2025 | Steamer | ROS | 4.57 | 6.46 | 0.71 | 1.37 | 10.6% | 15.0% | -4.4% | .289 | 1.88 | .301 | 68.1% | 6.33 |
