Bobby Ay
Arizona Diamondbacks (A+)P
Age: 27
Bats/Throws: R/R
6'3" / 190
DOB: 5/28/1997
(27 years, 11 months, 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 22 | 0 | 1 | 0 | 10 | 10 | 11.0 | 11.45 | 1.64 | 1.64 | .308 | 78.4% | 37.0% | 15.4% | 4.09 | 4.69 | 4.03 | ||||||
| 2021 | ARI | A | 24 | 2 | 2 | 0 | 13 | 3 | 24.0 | 12.00 | 4.88 | 1.13 | .268 | 48.7% | 58.9% | 23.1% | 6.00 | 5.31 | 4.47 | ||||||
| 2021 | ARI | A+ | 24 | 0 | 1 | 0 | 13 | 0 | 20.2 | 8.71 | 8.71 | 0.44 | .283 | 75.1% | 43.4% | 5.3% | 3.92 | 5.58 | 6.39 | ||||||
| 2021 | ARI | MiLB | 24 | 2 | 3 | 0 | 26 | 3 | 44.2 | 10.48 | 6.65 | 0.81 | .275 | 62.7% | 51.4% | 12.5% | 5.04 | 5.43 | 5.36 | ||||||
| 2022 | ARI | A+ | 25 | 0 | 1 | 0 | 22 | 0 | 22.0 | 10.23 | 11.45 | 0.41 | .196 | 55.8% | 50.0% | 6.3% | 7.36 | 7.03 | 7.44 | ||||||
| 2025 | Steamer | PROJ | 28 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.20 | 6.43 | 1.26 | .305 | 68.7% | 42.1% | 5.94 | 5.93 | 5.94 | 0.0 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.11 | 6.67 | 1.22 | .305 | 68.7% | 5.97 | 5.87 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 22 | 0 | 1 | 0 | 10 | 10 | 11.0 | 11.45 | 1.64 | 1.64 | .308 | 78.4% | 37.0% | 15.4% | 4.09 | 4.69 | 4.03 | ||||||
| 2021 | ARI | A | 24 | 2 | 2 | 0 | 13 | 3 | 24.0 | 12.00 | 4.88 | 1.13 | .268 | 48.7% | 58.9% | 23.1% | 6.00 | 5.31 | 4.47 | ||||||
| 2021 | ARI | A+ | 24 | 0 | 1 | 0 | 13 | 0 | 20.2 | 8.71 | 8.71 | 0.44 | .283 | 75.1% | 43.4% | 5.3% | 3.92 | 5.58 | 6.39 | ||||||
| 2021 | ARI | MiLB | 24 | 2 | 3 | 0 | 26 | 3 | 44.2 | 10.48 | 6.65 | 0.81 | .275 | 62.7% | 51.4% | 12.5% | 5.04 | 5.43 | 5.36 | ||||||
| 2022 | ARI | A+ | 25 | 0 | 1 | 0 | 22 | 0 | 22.0 | 10.23 | 11.45 | 0.41 | .196 | 55.8% | 50.0% | 6.3% | 7.36 | 7.03 | 7.44 | ||||||
| 2025 | Steamer | PROJ | 28 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.20 | 6.43 | 1.26 | .305 | 68.7% | 42.1% | 5.94 | 5.93 | 5.94 | 0.0 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.11 | 6.67 | 1.22 | .305 | 68.7% | 5.97 | 5.87 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 0 | 1 | 4.09 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 11.0 | 45 | 10 | 5 | 5 | 2 | 2 | 0 | 1 | 0 | 0 | 14 | |
| 2021 | ARI | A | 2 | 2 | 6.00 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 24.0 | 108 | 18 | 20 | 16 | 3 | 13 | 1 | 4 | 6 | 0 | 32 | |
| 2021 | ARI | A+ | 0 | 1 | 3.92 | 13 | 0 | 0 | 0 | 0 | 2 | 1 | 20.2 | 94 | 16 | 10 | 9 | 1 | 20 | 0 | 0 | 2 | 0 | 20 | |
| 2021 | ARI | MiLB | 2 | 3 | 5.04 | 26 | 3 | 0 | 0 | 0 | 2 | 1 | 44.2 | 202 | 34 | 30 | 25 | 4 | 33 | 1 | 4 | 8 | 0 | 52 | |
| 2022 | ARI | A+ | 0 | 1 | 7.36 | 22 | 0 | 0 | 0 | 0 | 1 | 2 | 22.0 | 114 | 11 | 22 | 18 | 1 | 28 | 0 | 9 | 8 | 0 | 25 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.94 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | Steamer | ROS | 0 | 0 | 5.97 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 0 | 1 | 4.09 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 11.0 | 45 | 10 | 5 | 5 | 2 | 2 | 0 | 1 | 0 | 0 | 14 | |
| 2021 | ARI | A | 2 | 2 | 6.00 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 24.0 | 108 | 18 | 20 | 16 | 3 | 13 | 1 | 4 | 6 | 0 | 32 | |
| 2021 | ARI | A+ | 0 | 1 | 3.92 | 13 | 0 | 0 | 0 | 0 | 2 | 1 | 20.2 | 94 | 16 | 10 | 9 | 1 | 20 | 0 | 0 | 2 | 0 | 20 | |
| 2021 | ARI | MiLB | 2 | 3 | 5.04 | 26 | 3 | 0 | 0 | 0 | 2 | 1 | 44.2 | 202 | 34 | 30 | 25 | 4 | 33 | 1 | 4 | 8 | 0 | 52 | |
| 2022 | ARI | A+ | 0 | 1 | 7.36 | 22 | 0 | 0 | 0 | 0 | 1 | 2 | 22.0 | 114 | 11 | 22 | 18 | 1 | 28 | 0 | 9 | 8 | 0 | 25 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.94 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | Steamer | ROS | 0 | 0 | 5.97 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 11.45 | 1.64 | 7.00 | 1.64 | 31.1% | 4.4% | 26.7% | .238 | 1.09 | .308 | 78.4% | 88 | 100 | 4.69 | ||||
| 2021 | ARI | A | 12.00 | 4.88 | 2.46 | 1.13 | 29.6% | 12.0% | 17.6% | .198 | 1.29 | .268 | 48.7% | 124 | 109 | 5.31 | ||||
| 2021 | ARI | A+ | 8.71 | 8.71 | 1.00 | 0.44 | 21.3% | 21.3% | 0.0% | .216 | 1.74 | .283 | 75.1% | 84 | 121 | 5.58 | ||||
| 2021 | ARI | MiLB | 10.48 | 6.65 | 1.58 | 0.81 | 25.7% | 16.3% | 9.4% | .206 | 1.50 | .275 | 62.7% | 106 | 115 | 5.43 | ||||
| 2022 | ARI | A+ | 10.23 | 11.45 | 0.89 | 0.41 | 21.9% | 24.6% | -2.6% | .143 | 1.77 | .196 | 55.8% | 175 | 169 | 7.03 | ||||
| 2025 | Steamer | PROJ | 6.20 | 6.43 | 0.96 | 1.26 | 14.5% | 15.1% | -0.5% | .277 | 1.81 | .305 | 68.7% | 5.93 | ||||||
| 2025 | Steamer | ROS | 6.11 | 6.67 | 0.92 | 1.22 | 14.2% | 15.5% | -1.3% | .277 | 1.84 | .305 | 68.7% | 5.87 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 11.45 | 1.64 | 7.00 | 1.64 | 31.1% | 4.4% | 26.7% | .238 | 1.09 | .308 | 78.4% | 88 | 100 | 4.69 | ||||
| 2021 | ARI | A | 12.00 | 4.88 | 2.46 | 1.13 | 29.6% | 12.0% | 17.6% | .198 | 1.29 | .268 | 48.7% | 124 | 109 | 5.31 | ||||
| 2021 | ARI | A+ | 8.71 | 8.71 | 1.00 | 0.44 | 21.3% | 21.3% | 0.0% | .216 | 1.74 | .283 | 75.1% | 84 | 121 | 5.58 | ||||
| 2021 | ARI | MiLB | 10.48 | 6.65 | 1.58 | 0.81 | 25.7% | 16.3% | 9.4% | .206 | 1.50 | .275 | 62.7% | 106 | 115 | 5.43 | ||||
| 2022 | ARI | A+ | 10.23 | 11.45 | 0.89 | 0.41 | 21.9% | 24.6% | -2.6% | .143 | 1.77 | .196 | 55.8% | 175 | 169 | 7.03 | ||||
| 2025 | Steamer | PROJ | 6.20 | 6.43 | 0.96 | 1.26 | 14.5% | 15.1% | -0.5% | .277 | 1.81 | .305 | 68.7% | 5.93 | ||||||
| 2025 | Steamer | ROS | 6.11 | 6.67 | 0.92 | 1.22 | 14.2% | 15.5% | -1.3% | .277 | 1.84 | .305 | 68.7% | 5.87 |
