Nick Altermatt
Chicago White Sox (A+)P
Age: 25
Bats/Throws: R/R
6'0" / 225
DOB: 9/28/1999
(25 years, 10 months, 5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | CHW | A | 24 | 3 | 3 | 2 | 30 | 0 | 36.0 | 9.25 | 3.00 | 0.50 | .284 | 74.6% | 52.7% | 6.9% | 2.75 | 3.41 | 3.42 | ||||||
| 2024 | CHW | A+ | 24 | 1 | 0 | 1 | 8 | 0 | 13.0 | 13.15 | 3.46 | 0.00 | .308 | 69.2% | 42.3% | 0.0% | 2.77 | 1.79 | 2.47 | ||||||
| 2024 | CHW | MiLB | 24 | 4 | 3 | 3 | 38 | 0 | 49.0 | 10.29 | 3.12 | 0.37 | .289 | 73.3% | 50.4% | 5.6% | 2.76 | 2.98 | 3.17 | ||||||
| 2025 | Steamer | PROJ | 25 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.50 | 5.26 | 1.40 | .296 | 70.6% | 42.6% | 5.37 | 5.63 | 5.44 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 25 | 0 | 0 | 0 | 1 | 0 | 1.3 | 6.24 | 3.91 | 1.18 | .294 | 63.0% | 5.13 | 4.92 | 0.0 | ||||||||
| 2025 | CHW | CPX | 25 | 1 | 0 | 0 | 2 | 0 | 3.0 | 21.00 | 0.00 | 0.00 | .000 | 100.0% | 0.0% | 0.0% | 0.00 | -0.17 | 0.13 | ||||||
| 2025 | CHW | A | 25 | 0 | 0 | 1 | 2 | 0 | 2.2 | 3.38 | 0.00 | 0.00 | .429 | 100.0% | 57.1% | 0.0% | 0.00 | 2.78 | 3.09 | ||||||
| 2025 | CHW | A+ | 25 | 0 | 0 | 1 | 13 | 0 | 23.2 | 9.51 | 1.14 | 0.38 | .338 | 66.4% | 43.1% | 4.3% | 3.04 | 2.25 | 2.82 | ||||||
| 2025 | CHW | MiLB | 25 | 1 | 0 | 2 | 17 | 0 | 29.1 | 10.13 | 0.92 | 0.31 | .338 | 69.9% | 43.2% | 4.0% | 2.45 | 2.05 | 2.57 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.31 | 4.59 | 1.32 | .291 | 71.5% | 4.95 | 5.26 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 25 | 0 | 0 | 0 | 1 | 0 | 1.5 | 6.42 | 3.37 | 1.26 | .293 | 63.2% | 5.03 | 4.81 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | CHW | A | 24 | 3 | 3 | 2 | 30 | 0 | 36.0 | 9.25 | 3.00 | 0.50 | .284 | 74.6% | 52.7% | 6.9% | 2.75 | 3.41 | 3.42 | ||||||
| 2024 | CHW | A+ | 24 | 1 | 0 | 1 | 8 | 0 | 13.0 | 13.15 | 3.46 | 0.00 | .308 | 69.2% | 42.3% | 0.0% | 2.77 | 1.79 | 2.47 | ||||||
| 2024 | CHW | MiLB | 24 | 4 | 3 | 3 | 38 | 0 | 49.0 | 10.29 | 3.12 | 0.37 | .289 | 73.3% | 50.4% | 5.6% | 2.76 | 2.98 | 3.17 | ||||||
| 2025 | Steamer | PROJ | 25 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.50 | 5.26 | 1.40 | .296 | 70.6% | 42.6% | 5.37 | 5.63 | 5.44 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 25 | 0 | 0 | 0 | 1 | 0 | 1.3 | 6.24 | 3.91 | 1.18 | .294 | 63.0% | 5.13 | 4.92 | 0.0 | ||||||||
| 2025 | CHW | CPX | 25 | 1 | 0 | 0 | 2 | 0 | 3.0 | 21.00 | 0.00 | 0.00 | .000 | 100.0% | 0.0% | 0.0% | 0.00 | -0.17 | 0.13 | ||||||
| 2025 | CHW | A | 25 | 0 | 0 | 1 | 2 | 0 | 2.2 | 3.38 | 0.00 | 0.00 | .429 | 100.0% | 57.1% | 0.0% | 0.00 | 2.78 | 3.09 | ||||||
| 2025 | CHW | A+ | 25 | 0 | 0 | 1 | 13 | 0 | 23.2 | 9.51 | 1.14 | 0.38 | .338 | 66.4% | 43.1% | 4.3% | 3.04 | 2.25 | 2.82 | ||||||
| 2025 | CHW | MiLB | 25 | 1 | 0 | 2 | 17 | 0 | 29.1 | 10.13 | 0.92 | 0.31 | .338 | 69.9% | 43.2% | 4.0% | 2.45 | 2.05 | 2.57 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.31 | 4.59 | 1.32 | .291 | 71.5% | 4.95 | 5.26 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 25 | 0 | 0 | 0 | 1 | 0 | 1.5 | 6.42 | 3.37 | 1.26 | .293 | 63.2% | 5.03 | 4.81 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | CHW | A | 3 | 3 | 2.75 | 30 | 0 | 0 | 0 | 2 | 7 | 3 | 36.0 | 148 | 29 | 13 | 11 | 2 | 12 | 1 | 2 | 1 | 1 | 37 | |
| 2024 | CHW | A+ | 1 | 0 | 2.77 | 8 | 0 | 0 | 0 | 1 | 1 | 0 | 13.0 | 50 | 8 | 4 | 4 | 0 | 5 | 0 | 0 | 1 | 0 | 19 | |
| 2024 | CHW | MiLB | 4 | 3 | 2.76 | 38 | 0 | 0 | 0 | 3 | 8 | 3 | 49.0 | 198 | 37 | 17 | 15 | 2 | 17 | 1 | 2 | 2 | 1 | 56 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.37 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.13 | 1 | 0 | 0 | 0 | 0 | 1.3 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2025 | CHW | CPX | 1 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | |
| 2025 | CHW | A | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 2.2 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| 2025 | CHW | A+ | 0 | 0 | 3.04 | 13 | 0 | 0 | 0 | 1 | 1 | 1 | 23.2 | 97 | 24 | 10 | 8 | 1 | 3 | 0 | 0 | 1 | 2 | 25 | |
| 2025 | CHW | MiLB | 1 | 0 | 2.45 | 17 | 0 | 0 | 0 | 2 | 1 | 2 | 29.1 | 114 | 27 | 10 | 8 | 1 | 3 | 0 | 0 | 1 | 2 | 33 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.95 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.03 | 1 | 0 | 0 | 0 | 0 | 1.5 | 6 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | CHW | A | 3 | 3 | 2.75 | 30 | 0 | 0 | 0 | 2 | 7 | 3 | 36.0 | 148 | 29 | 13 | 11 | 2 | 12 | 1 | 2 | 1 | 1 | 37 | |
| 2024 | CHW | A+ | 1 | 0 | 2.77 | 8 | 0 | 0 | 0 | 1 | 1 | 0 | 13.0 | 50 | 8 | 4 | 4 | 0 | 5 | 0 | 0 | 1 | 0 | 19 | |
| 2024 | CHW | MiLB | 4 | 3 | 2.76 | 38 | 0 | 0 | 0 | 3 | 8 | 3 | 49.0 | 198 | 37 | 17 | 15 | 2 | 17 | 1 | 2 | 2 | 1 | 56 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.37 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.13 | 1 | 0 | 0 | 0 | 0 | 1.3 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2025 | CHW | CPX | 1 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | |
| 2025 | CHW | A | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 2.2 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| 2025 | CHW | A+ | 0 | 0 | 3.04 | 13 | 0 | 0 | 0 | 1 | 1 | 1 | 23.2 | 97 | 24 | 10 | 8 | 1 | 3 | 0 | 0 | 1 | 2 | 25 | |
| 2025 | CHW | MiLB | 1 | 0 | 2.45 | 17 | 0 | 0 | 0 | 2 | 1 | 2 | 29.1 | 114 | 27 | 10 | 8 | 1 | 3 | 0 | 0 | 1 | 2 | 33 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.95 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.03 | 1 | 0 | 0 | 0 | 0 | 1.5 | 6 | 1 | 1 | 1 | 0 | 1 | 0 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | CHW | A | 9.25 | 3.00 | 3.08 | 0.50 | 25.0% | 8.1% | 16.9% | .216 | 1.14 | .284 | 74.6% | 70 | 88 | 3.41 | ||||
| 2024 | CHW | A+ | 13.15 | 3.46 | 3.80 | 0.00 | 38.0% | 10.0% | 28.0% | .178 | 1.00 | .308 | 69.2% | 69 | 44 | 1.79 | ||||
| 2024 | CHW | MiLB | 10.29 | 3.12 | 3.29 | 0.37 | 28.3% | 8.6% | 19.7% | .207 | 1.10 | .289 | 73.3% | 69 | 77 | 2.98 | ||||
| 2025 | Steamer | PROJ | 6.50 | 5.26 | 1.24 | 1.40 | 15.8% | 12.8% | 3.0% | .270 | 1.65 | .296 | 70.6% | 5.63 | ||||||
| 2025 | OOPSY | PROJ | 6.24 | 3.91 | 1.60 | 1.18 | 17.2% | 10.7% | 6.4% | .263 | 1.37 | .294 | 63.0% | 4.92 | ||||||
| 2025 | CHW | CPX | 21.00 | 0.00 | 7.00 | 0.00 | 77.8% | 0.0% | 77.8% | .000 | 0.00 | .000 | 100.0% | 0 | -3 | -0.17 | ||||
| 2025 | CHW | A | 3.38 | 0.00 | 1.00 | 0.00 | 12.5% | 0.0% | 12.5% | .375 | 1.13 | .429 | 100.0% | 0 | 70 | 2.78 | ||||
| 2025 | CHW | A+ | 9.51 | 1.14 | 8.33 | 0.38 | 25.8% | 3.1% | 22.7% | .255 | 1.14 | .338 | 66.4% | 77 | 57 | 2.25 | ||||
| 2025 | CHW | MiLB | 10.13 | 0.92 | 11.00 | 0.31 | 28.9% | 2.6% | 26.3% | .243 | 1.02 | .338 | 69.9% | 62 | 52 | 2.05 | ||||
| 2025 | Steamer | ROS | 6.31 | 4.59 | 1.37 | 1.32 | 15.6% | 11.4% | 4.3% | .266 | 1.56 | .291 | 71.5% | 5.26 | ||||||
| 2025 | OOPSY | ROS | 6.42 | 3.37 | 1.90 | 1.26 | 17.7% | 9.3% | 8.4% | .263 | 1.32 | .293 | 63.2% | 4.81 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | CHW | A | 9.25 | 3.00 | 3.08 | 0.50 | 25.0% | 8.1% | 16.9% | .216 | 1.14 | .284 | 74.6% | 70 | 88 | 3.41 | ||||
| 2024 | CHW | A+ | 13.15 | 3.46 | 3.80 | 0.00 | 38.0% | 10.0% | 28.0% | .178 | 1.00 | .308 | 69.2% | 69 | 44 | 1.79 | ||||
| 2024 | CHW | MiLB | 10.29 | 3.12 | 3.29 | 0.37 | 28.3% | 8.6% | 19.7% | .207 | 1.10 | .289 | 73.3% | 69 | 77 | 2.98 | ||||
| 2025 | Steamer | PROJ | 6.50 | 5.26 | 1.24 | 1.40 | 15.8% | 12.8% | 3.0% | .270 | 1.65 | .296 | 70.6% | 5.63 | ||||||
| 2025 | OOPSY | PROJ | 6.24 | 3.91 | 1.60 | 1.18 | 17.2% | 10.7% | 6.4% | .263 | 1.37 | .294 | 63.0% | 4.92 | ||||||
| 2025 | CHW | CPX | 21.00 | 0.00 | 7.00 | 0.00 | 77.8% | 0.0% | 77.8% | .000 | 0.00 | .000 | 100.0% | 0 | -3 | -0.17 | ||||
| 2025 | CHW | A | 3.38 | 0.00 | 1.00 | 0.00 | 12.5% | 0.0% | 12.5% | .375 | 1.13 | .429 | 100.0% | 0 | 70 | 2.78 | ||||
| 2025 | CHW | A+ | 9.51 | 1.14 | 8.33 | 0.38 | 25.8% | 3.1% | 22.7% | .255 | 1.14 | .338 | 66.4% | 77 | 57 | 2.25 | ||||
| 2025 | CHW | MiLB | 10.13 | 0.92 | 11.00 | 0.31 | 28.9% | 2.6% | 26.3% | .243 | 1.02 | .338 | 69.9% | 62 | 52 | 2.05 | ||||
| 2025 | Steamer | ROS | 6.31 | 4.59 | 1.37 | 1.32 | 15.6% | 11.4% | 4.3% | .266 | 1.56 | .291 | 71.5% | 5.26 | ||||||
| 2025 | OOPSY | ROS | 6.42 | 3.37 | 1.90 | 1.26 | 17.7% | 9.3% | 8.4% | .263 | 1.32 | .293 | 63.2% | 4.81 |
