Mason McGwire
Los Angeles Angels (A+)P
Age: 22
Bats/Throws: R/R
6'4" / 190
DOB: 1/5/2004
(22 years, 7 months, 5 days)
P
Player Dashboard:
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
Heat Map:
Off
On
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 | 7.80 | 7.01 | ||||||
| 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 | ||||||
| 2026 | Steamer | PROJ | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.65 | 6.25 | 1.43 | .299 | 68.2% | 45.3% | 6.25 | 6.38 | 6.15 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 1 | 2.9 | 3.32 | 6.19 | 1.42 | .290 | 65.0% | 6.61 | 6.69 | 0.0 | ||||||||
| 2026 | CHC | A | 22 | 2 | 2 | 0 | 10 | 5 | 30.0 | 13.50 | 3.00 | 0.90 | .302 | 73.8% | 31.3% | 9.7% | 2.40 | 3.12 | 3.33 | ||||||
| 2026 | CHC | A+ | 22 | 1 | 2 | 1 | 8 | 6 | 29.1 | 8.28 | 4.30 | 0.92 | .312 | 67.0% | 37.7% | 8.3% | 4.91 | 5.02 | 5.82 | ||||||
| 2026 | LAA | A+ | 22 | 0 | 0 | 0 | 1 | 1 | 4.0 | 9.00 | 2.25 | 0.00 | .364 | 83.3% | 45.5% | 0.0% | 2.25 | 3.19 | 4.12 | ||||||
| 2026 | --- | MiLB | 22 | 3 | 4 | 1 | 19 | 12 | 63.1 | 10.80 | 3.55 | 0.85 | .311 | 71.0% | 35.5% | 8.7% | 3.55 | 4.00 | 4.53 | ||||||
| 2026 | Steamer | ROS | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.97 | 5.26 | 1.50 | .292 | 69.4% | 5.70 | 5.84 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 1 | 3.2 | 6.21 | 4.49 | 1.54 | .282 | 63.8% | 5.68 | 5.63 | 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 | 7.80 | 7.01 | ||||||
| 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 | ||||||
| 2026 | Steamer | PROJ | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.65 | 6.25 | 1.43 | .299 | 68.2% | 45.3% | 6.25 | 6.38 | 6.15 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 1 | 2.9 | 3.32 | 6.19 | 1.42 | .290 | 65.0% | 6.61 | 6.69 | 0.0 | ||||||||
| 2026 | CHC | A | 22 | 2 | 2 | 0 | 10 | 5 | 30.0 | 13.50 | 3.00 | 0.90 | .302 | 73.8% | 31.3% | 9.7% | 2.40 | 3.12 | 3.33 | ||||||
| 2026 | CHC | A+ | 22 | 1 | 2 | 1 | 8 | 6 | 29.1 | 8.28 | 4.30 | 0.92 | .312 | 67.0% | 37.7% | 8.3% | 4.91 | 5.02 | 5.82 | ||||||
| 2026 | LAA | A+ | 22 | 0 | 0 | 0 | 1 | 1 | 4.0 | 9.00 | 2.25 | 0.00 | .364 | 83.3% | 45.5% | 0.0% | 2.25 | 3.19 | 4.12 | ||||||
| 2026 | --- | MiLB | 22 | 3 | 4 | 1 | 19 | 12 | 63.1 | 10.80 | 3.55 | 0.85 | .311 | 71.0% | 35.5% | 8.7% | 3.55 | 4.00 | 4.53 | ||||||
| 2026 | Steamer | ROS | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.97 | 5.26 | 1.50 | .292 | 69.4% | 5.70 | 5.84 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 1 | 3.2 | 6.21 | 4.49 | 1.54 | .282 | 63.8% | 5.68 | 5.63 | 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 QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | 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 | |
| 2026 | Steamer | PROJ | 0 | 0 | 6.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 6.61 | 1 | 1 | 0 | 0 | 0 | 2.9 | 14 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 1 | |||||
| 2026 | CHC | A | 2 | 2 | 2.40 | 10 | 5 | 0 | 0 | 0 | 0 | 1 | 30.0 | 123 | 22 | 12 | 8 | 3 | 10 | 0 | 2 | 2 | 2 | 45 | |
| 2026 | CHC | A+ | 1 | 2 | 4.91 | 8 | 6 | 0 | 0 | 1 | 0 | 0 | 29.1 | 123 | 27 | 17 | 16 | 3 | 14 | 0 | 2 | 0 | 0 | 27 | |
| 2026 | LAA | A+ | 0 | 0 | 2.25 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.0 | 17 | 4 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 4 | |
| 2026 | --- | MiLB | 3 | 4 | 3.55 | 19 | 12 | 0 | 0 | 1 | 0 | 1 | 63.1 | 263 | 53 | 30 | 25 | 6 | 25 | 0 | 5 | 2 | 2 | 76 | |
| 2026 | Steamer | ROS | 0 | 0 | 5.70 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.68 | 1 | 1 | 0 | 0 | 0 | 3.2 | 14 | 3 | 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 QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | 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 | |
| 2026 | Steamer | PROJ | 0 | 0 | 6.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 6.61 | 1 | 1 | 0 | 0 | 0 | 2.9 | 14 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 1 | |||||
| 2026 | CHC | A | 2 | 2 | 2.40 | 10 | 5 | 0 | 0 | 0 | 0 | 1 | 30.0 | 123 | 22 | 12 | 8 | 3 | 10 | 0 | 2 | 2 | 2 | 45 | |
| 2026 | CHC | A+ | 1 | 2 | 4.91 | 8 | 6 | 0 | 0 | 1 | 0 | 0 | 29.1 | 123 | 27 | 17 | 16 | 3 | 14 | 0 | 2 | 0 | 0 | 27 | |
| 2026 | LAA | A+ | 0 | 0 | 2.25 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.0 | 17 | 4 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 4 | |
| 2026 | --- | MiLB | 3 | 4 | 3.55 | 19 | 12 | 0 | 0 | 1 | 0 | 1 | 63.1 | 263 | 53 | 30 | 25 | 6 | 25 | 0 | 5 | 2 | 2 | 76 | |
| 2026 | Steamer | ROS | 0 | 0 | 5.70 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.68 | 1 | 1 | 0 | 0 | 0 | 3.2 | 14 | 3 | 2 | 2 | 1 | 2 | 0 | 0 | 2 |
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 | 7.80 | ||||
| 2024 | CHC | A | 6.59 | 7.46 | 0.88 | 0.88 | 15.9% | 18.0% | -2.1% | .260 | 1.80 | .300 | 66.3% | 156 | 159 | 5.94 | ||||
| 2026 | Steamer | PROJ | 4.65 | 6.25 | 0.75 | 1.43 | 10.9% | 14.6% | -3.7% | .288 | 1.85 | .299 | 68.2% | 6.38 | ||||||
| 2026 | OOPSY | PROJ | 3.32 | 6.19 | 0.54 | 1.42 | 7.6% | 14.2% | -6.6% | .291 | 1.88 | .290 | 65.0% | 6.69 | ||||||
| 2026 | CHC | A | 13.50 | 3.00 | 4.50 | 0.90 | 36.6% | 8.1% | 28.5% | .198 | 1.07 | .302 | 73.8% | 53 | 68 | 3.12 | ||||
| 2026 | CHC | A+ | 8.28 | 4.30 | 1.93 | 0.92 | 22.0% | 11.4% | 10.6% | .252 | 1.40 | .312 | 67.0% | 93 | 95 | 5.02 | ||||
| 2026 | LAA | A+ | 9.00 | 2.25 | 4.00 | 0.00 | 23.5% | 5.9% | 17.6% | .267 | 1.25 | .364 | 83.3% | 49 | 69 | 3.19 | ||||
| 2026 | --- | MiLB | 10.80 | 3.55 | 3.04 | 0.85 | 28.9% | 9.5% | 19.4% | .227 | 1.23 | .311 | 71.0% | 71 | 80 | 4.00 | ||||
| 2026 | Steamer | ROS | 5.97 | 5.26 | 1.13 | 1.50 | 14.4% | 12.7% | 1.7% | .273 | 1.67 | .292 | 69.4% | 5.84 | ||||||
| 2026 | OOPSY | ROS | 6.21 | 4.49 | 1.38 | 1.54 | 16.1% | 11.6% | 4.4% | .263 | 1.48 | .282 | 63.8% | 5.63 |
| 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 | 7.80 | ||||
| 2024 | CHC | A | 6.59 | 7.46 | 0.88 | 0.88 | 15.9% | 18.0% | -2.1% | .260 | 1.80 | .300 | 66.3% | 156 | 159 | 5.94 | ||||
| 2026 | Steamer | PROJ | 4.65 | 6.25 | 0.75 | 1.43 | 10.9% | 14.6% | -3.7% | .288 | 1.85 | .299 | 68.2% | 6.38 | ||||||
| 2026 | OOPSY | PROJ | 3.32 | 6.19 | 0.54 | 1.42 | 7.6% | 14.2% | -6.6% | .291 | 1.88 | .290 | 65.0% | 6.69 | ||||||
| 2026 | CHC | A | 13.50 | 3.00 | 4.50 | 0.90 | 36.6% | 8.1% | 28.5% | .198 | 1.07 | .302 | 73.8% | 53 | 68 | 3.12 | ||||
| 2026 | CHC | A+ | 8.28 | 4.30 | 1.93 | 0.92 | 22.0% | 11.4% | 10.6% | .252 | 1.40 | .312 | 67.0% | 93 | 95 | 5.02 | ||||
| 2026 | LAA | A+ | 9.00 | 2.25 | 4.00 | 0.00 | 23.5% | 5.9% | 17.6% | .267 | 1.25 | .364 | 83.3% | 49 | 69 | 3.19 | ||||
| 2026 | --- | MiLB | 10.80 | 3.55 | 3.04 | 0.85 | 28.9% | 9.5% | 19.4% | .227 | 1.23 | .311 | 71.0% | 71 | 80 | 4.00 | ||||
| 2026 | Steamer | ROS | 5.97 | 5.26 | 1.13 | 1.50 | 14.4% | 12.7% | 1.7% | .273 | 1.67 | .292 | 69.4% | 5.84 | ||||||
| 2026 | OOPSY | ROS | 6.21 | 4.49 | 1.38 | 1.54 | 16.1% | 11.6% | 4.4% | .263 | 1.48 | .282 | 63.8% | 5.63 |
