Kash Mayfield
San Diego Padres (A+)P
Age: 21
Bats/Throws: L/L
6'4" / 200
DOB: 2/8/2005
(21 years, 5 months, 20 days)
P
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SDP | A | 20 | 1 | 5 | 0 | 19 | 19 | 60.2 | 13.05 | 4.15 | 0.30 | .321 | 68.7% | 43.6% | 3.8% | 2.97 | 3.06 | 3.39 | ||||||
| 2026 | Steamer | PROJ | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.60 | 5.20 | 1.40 | .292 | 71.1% | 40.2% | 5.26 | 5.56 | 5.51 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 1 | 3.2 | 8.42 | 4.23 | 1.26 | .276 | 70.9% | 4.38 | 4.65 | 0.0 | ||||||||
| 2026 | SDP | A+ | 21 | 3 | 1 | 0 | 15 | 15 | 53.1 | 10.46 | 3.71 | 0.84 | .287 | 75.9% | 40.9% | 10.4% | 3.54 | 4.24 | 4.57 | ||||||
| 2026 | Steamer | ROS | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 7.09 | 4.83 | 1.36 | .288 | 71.9% | 4.92 | 5.25 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 21 | 0 | 0 | 0 | 1 | 1 | 3.4 | 7.76 | 3.94 | 1.24 | .278 | 68.1% | 4.52 | 4.66 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SDP | A | 20 | 1 | 5 | 0 | 19 | 19 | 60.2 | 13.05 | 4.15 | 0.30 | .321 | 68.7% | 43.6% | 3.8% | 2.97 | 3.06 | 3.39 | ||||||
| 2026 | Steamer | PROJ | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.60 | 5.20 | 1.40 | .292 | 71.1% | 40.2% | 5.26 | 5.56 | 5.51 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 1 | 3.2 | 8.42 | 4.23 | 1.26 | .276 | 70.9% | 4.38 | 4.65 | 0.0 | ||||||||
| 2026 | SDP | A+ | 21 | 3 | 1 | 0 | 15 | 15 | 53.1 | 10.46 | 3.71 | 0.84 | .287 | 75.9% | 40.9% | 10.4% | 3.54 | 4.24 | 4.57 | ||||||
| 2026 | Steamer | ROS | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 7.09 | 4.83 | 1.36 | .288 | 71.9% | 4.92 | 5.25 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 21 | 0 | 0 | 0 | 1 | 1 | 3.4 | 7.76 | 3.94 | 1.24 | .278 | 68.1% | 4.52 | 4.66 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SDP | A | 1 | 5 | 2.97 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 60.2 | 258 | 46 | 26 | 20 | 2 | 28 | 0 | 3 | 3 | 1 | 88 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 4.38 | 1 | 1 | 0 | 0 | 0 | 3.2 | 14 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 3 | |||||
| 2026 | SDP | A+ | 3 | 1 | 3.54 | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 53.1 | 214 | 40 | 21 | 21 | 5 | 22 | 0 | 3 | 1 | 1 | 62 | |
| 2026 | Steamer | ROS | 0 | 0 | 4.92 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 4.52 | 1 | 1 | 0 | 0 | 0 | 3.4 | 14 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 3 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SDP | A | 1 | 5 | 2.97 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 60.2 | 258 | 46 | 26 | 20 | 2 | 28 | 0 | 3 | 3 | 1 | 88 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 4.38 | 1 | 1 | 0 | 0 | 0 | 3.2 | 14 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 3 | |||||
| 2026 | SDP | A+ | 3 | 1 | 3.54 | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 53.1 | 214 | 40 | 21 | 21 | 5 | 22 | 0 | 3 | 1 | 1 | 62 | |
| 2026 | Steamer | ROS | 0 | 0 | 4.92 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 4.52 | 1 | 1 | 0 | 0 | 0 | 3.4 | 14 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 3 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SDP | A | 13.05 | 4.15 | 3.14 | 0.30 | 34.1% | 10.9% | 23.3% | .203 | 1.22 | .321 | 68.7% | 66 | 68 | 3.06 | ||||
| 2026 | Steamer | PROJ | 6.60 | 5.20 | 1.27 | 1.40 | 16.1% | 12.6% | 3.4% | .265 | 1.62 | .292 | 71.1% | 5.56 | ||||||
| 2026 | OOPSY | PROJ | 8.42 | 4.23 | 1.99 | 1.26 | 21.8% | 11.0% | 10.8% | .234 | 1.35 | .276 | 70.9% | 4.65 | ||||||
| 2026 | SDP | A+ | 10.46 | 3.71 | 2.82 | 0.84 | 29.0% | 10.3% | 18.7% | .212 | 1.16 | .287 | 75.9% | 67 | 81 | 4.24 | ||||
| 2026 | Steamer | ROS | 7.09 | 4.83 | 1.47 | 1.36 | 17.5% | 11.9% | 5.6% | .258 | 1.54 | .288 | 71.9% | 5.25 | ||||||
| 2026 | OOPSY | ROS | 7.76 | 3.94 | 1.97 | 1.24 | 20.9% | 10.6% | 10.3% | .239 | 1.31 | .278 | 68.1% | 4.66 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SDP | A | 13.05 | 4.15 | 3.14 | 0.30 | 34.1% | 10.9% | 23.3% | .203 | 1.22 | .321 | 68.7% | 66 | 68 | 3.06 | ||||
| 2026 | Steamer | PROJ | 6.60 | 5.20 | 1.27 | 1.40 | 16.1% | 12.6% | 3.4% | .265 | 1.62 | .292 | 71.1% | 5.56 | ||||||
| 2026 | OOPSY | PROJ | 8.42 | 4.23 | 1.99 | 1.26 | 21.8% | 11.0% | 10.8% | .234 | 1.35 | .276 | 70.9% | 4.65 | ||||||
| 2026 | SDP | A+ | 10.46 | 3.71 | 2.82 | 0.84 | 29.0% | 10.3% | 18.7% | .212 | 1.16 | .287 | 75.9% | 67 | 81 | 4.24 | ||||
| 2026 | Steamer | ROS | 7.09 | 4.83 | 1.47 | 1.36 | 17.5% | 11.9% | 5.6% | .258 | 1.54 | .288 | 71.9% | 5.25 | ||||||
| 2026 | OOPSY | ROS | 7.76 | 3.94 | 1.97 | 1.24 | 20.9% | 10.6% | 10.3% | .239 | 1.31 | .278 | 68.1% | 4.66 |
