Danny Kirwin
Boston Red Sox (AA)P
Age: 26
Bats/Throws: R/R
6'2" / 205
DOB: 11/12/1999
(26 years, 4 months, 21 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 | BOS | A | 24 | 4 | 3 | 0 | 20 | 5 | 69.1 | 8.96 | 3.12 | 0.65 | .265 | 63.0% | 46.8% | 8.5% | 3.63 | 3.65 | 3.48 | ||||||
| 2025 | BOS | A+ | 25 | 6 | 5 | 2 | 27 | 4 | 66.0 | 8.45 | 3.14 | 0.82 | .296 | 65.1% | 33.0% | 6.9% | 5.18 | 4.38 | 4.62 | ||||||
| 2025 | BOS | AA | 25 | 0 | 0 | 0 | 1 | 0 | 5.0 | 3.60 | 0.00 | 0.00 | .235 | 50.0% | 41.2% | 0.0% | 3.60 | 2.49 | 3.42 | ||||||
| 2025 | BOS | MiLB | 25 | 6 | 5 | 2 | 28 | 4 | 71.0 | 8.11 | 2.92 | 0.76 | .291 | 64.4% | 33.7% | 6.6% | 5.07 | 4.24 | 4.54 | ||||||
| 2026 | Steamer | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.23 | 3.46 | 1.44 | .299 | 68.8% | 40.4% | 5.22 | 5.15 | 5.05 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 26 | 0 | 0 | 0 | 1 | 1 | 2.8 | 4.61 | 3.73 | 1.46 | .294 | 60.6% | 5.94 | 5.60 | 0.0 | ||||||||
| 2026 | Steamer | ROS | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.40 | 3.54 | 1.40 | .299 | 69.0% | 5.14 | 5.08 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 26 | 0 | 0 | 0 | 1 | 1 | 2.8 | 4.61 | 3.73 | 1.46 | .294 | 60.6% | 5.94 | 5.60 | 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 | BOS | A | 24 | 4 | 3 | 0 | 20 | 5 | 69.1 | 8.96 | 3.12 | 0.65 | .265 | 63.0% | 46.8% | 8.5% | 3.63 | 3.65 | 3.48 | ||||||
| 2025 | BOS | A+ | 25 | 6 | 5 | 2 | 27 | 4 | 66.0 | 8.45 | 3.14 | 0.82 | .296 | 65.1% | 33.0% | 6.9% | 5.18 | 4.38 | 4.62 | ||||||
| 2025 | BOS | AA | 25 | 0 | 0 | 0 | 1 | 0 | 5.0 | 3.60 | 0.00 | 0.00 | .235 | 50.0% | 41.2% | 0.0% | 3.60 | 2.49 | 3.42 | ||||||
| 2025 | BOS | MiLB | 25 | 6 | 5 | 2 | 28 | 4 | 71.0 | 8.11 | 2.92 | 0.76 | .291 | 64.4% | 33.7% | 6.6% | 5.07 | 4.24 | 4.54 | ||||||
| 2026 | Steamer | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.23 | 3.46 | 1.44 | .299 | 68.8% | 40.4% | 5.22 | 5.15 | 5.05 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 26 | 0 | 0 | 0 | 1 | 1 | 2.8 | 4.61 | 3.73 | 1.46 | .294 | 60.6% | 5.94 | 5.60 | 0.0 | ||||||||
| 2026 | Steamer | ROS | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.40 | 3.54 | 1.40 | .299 | 69.0% | 5.14 | 5.08 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 26 | 0 | 0 | 0 | 1 | 1 | 2.8 | 4.61 | 3.73 | 1.46 | .294 | 60.6% | 5.94 | 5.60 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | BOS | A | 4 | 3 | 3.63 | 20 | 5 | 0 | 0 | 0 | 2 | 0 | 69.1 | 285 | 54 | 34 | 28 | 5 | 24 | 0 | 2 | 7 | 2 | 69 | |
| 2025 | BOS | A+ | 6 | 5 | 5.18 | 27 | 4 | 0 | 0 | 2 | 1 | 1 | 66.0 | 284 | 59 | 39 | 38 | 6 | 23 | 0 | 14 | 7 | 2 | 62 | |
| 2025 | BOS | AA | 0 | 0 | 3.60 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 19 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | |
| 2025 | BOS | MiLB | 6 | 5 | 5.07 | 28 | 4 | 0 | 0 | 2 | 1 | 1 | 71.0 | 303 | 63 | 41 | 40 | 6 | 23 | 0 | 14 | 8 | 2 | 64 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.22 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.94 | 1 | 1 | 0 | 0 | 0 | 2.8 | 12 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 5.14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.94 | 1 | 1 | 0 | 0 | 0 | 2.8 | 12 | 3 | 2 | 2 | 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | BOS | A | 4 | 3 | 3.63 | 20 | 5 | 0 | 0 | 0 | 2 | 0 | 69.1 | 285 | 54 | 34 | 28 | 5 | 24 | 0 | 2 | 7 | 2 | 69 | |
| 2025 | BOS | A+ | 6 | 5 | 5.18 | 27 | 4 | 0 | 0 | 2 | 1 | 1 | 66.0 | 284 | 59 | 39 | 38 | 6 | 23 | 0 | 14 | 7 | 2 | 62 | |
| 2025 | BOS | AA | 0 | 0 | 3.60 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 19 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | |
| 2025 | BOS | MiLB | 6 | 5 | 5.07 | 28 | 4 | 0 | 0 | 2 | 1 | 1 | 71.0 | 303 | 63 | 41 | 40 | 6 | 23 | 0 | 14 | 8 | 2 | 64 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.22 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.94 | 1 | 1 | 0 | 0 | 0 | 2.8 | 12 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 5.14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.94 | 1 | 1 | 0 | 0 | 0 | 2.8 | 12 | 3 | 2 | 2 | 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 | BOS | A | 8.96 | 3.12 | 2.88 | 0.65 | 24.2% | 8.4% | 15.8% | .208 | 1.13 | .265 | 63.0% | 90 | 95 | 3.65 | ||||
| 2025 | BOS | A+ | 8.45 | 3.14 | 2.70 | 0.82 | 21.8% | 8.1% | 13.7% | .239 | 1.24 | .296 | 65.1% | 130 | 112 | 4.38 | ||||
| 2025 | BOS | AA | 3.60 | 0.00 | 2.00 | 0.00 | 10.5% | 0.0% | 10.5% | .211 | 0.80 | .235 | 50.0% | 91 | 65 | 2.49 | ||||
| 2025 | BOS | MiLB | 8.11 | 2.92 | 2.78 | 0.76 | 21.1% | 7.6% | 13.5% | .237 | 1.21 | .291 | 64.4% | 127 | 108 | 4.24 | ||||
| 2026 | Steamer | PROJ | 6.23 | 3.46 | 1.80 | 1.44 | 15.6% | 8.6% | 6.9% | .275 | 1.49 | .299 | 68.8% | 5.15 | ||||||
| 2026 | OOPSY | PROJ | 4.61 | 3.73 | 1.24 | 1.46 | 12.2% | 9.8% | 2.3% | .285 | 1.48 | .294 | 60.6% | 5.60 | ||||||
| 2026 | Steamer | ROS | 6.40 | 3.54 | 1.81 | 1.40 | 16.0% | 8.8% | 7.1% | .273 | 1.48 | .299 | 69.0% | 5.08 | ||||||
| 2026 | OOPSY | ROS | 4.61 | 3.73 | 1.24 | 1.46 | 12.2% | 9.8% | 2.3% | .285 | 1.48 | .294 | 60.6% | 5.60 |
| 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 | BOS | A | 8.96 | 3.12 | 2.88 | 0.65 | 24.2% | 8.4% | 15.8% | .208 | 1.13 | .265 | 63.0% | 90 | 95 | 3.65 | ||||
| 2025 | BOS | A+ | 8.45 | 3.14 | 2.70 | 0.82 | 21.8% | 8.1% | 13.7% | .239 | 1.24 | .296 | 65.1% | 130 | 112 | 4.38 | ||||
| 2025 | BOS | AA | 3.60 | 0.00 | 2.00 | 0.00 | 10.5% | 0.0% | 10.5% | .211 | 0.80 | .235 | 50.0% | 91 | 65 | 2.49 | ||||
| 2025 | BOS | MiLB | 8.11 | 2.92 | 2.78 | 0.76 | 21.1% | 7.6% | 13.5% | .237 | 1.21 | .291 | 64.4% | 127 | 108 | 4.24 | ||||
| 2026 | Steamer | PROJ | 6.23 | 3.46 | 1.80 | 1.44 | 15.6% | 8.6% | 6.9% | .275 | 1.49 | .299 | 68.8% | 5.15 | ||||||
| 2026 | OOPSY | PROJ | 4.61 | 3.73 | 1.24 | 1.46 | 12.2% | 9.8% | 2.3% | .285 | 1.48 | .294 | 60.6% | 5.60 | ||||||
| 2026 | Steamer | ROS | 6.40 | 3.54 | 1.81 | 1.40 | 16.0% | 8.8% | 7.1% | .273 | 1.48 | .299 | 69.0% | 5.08 | ||||||
| 2026 | OOPSY | ROS | 4.61 | 3.73 | 1.24 | 1.46 | 12.2% | 9.8% | 2.3% | .285 | 1.48 | .294 | 60.6% | 5.60 |
