Koyo Aoyagi
Free Agent (AA)P
Age: 31
Bats/Throws: R/R
5'11" / 175
DOB: 12/11/1993
(31 years, 7 months, 21 days)
P
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In-Season ProjectionsMinor LeaguesSpring Training
| 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 | PHI | ST | 31 | 0 | 0 | 0 | 4 | 0 | 3.0 | 18.00 | 18.00 | 0.00 | .500 | 60.0% | 16.7% | 0.0% | 12.00 | 6.73 | 7.91 | ||||||
| 2025 | PHI | AA | 31 | 1 | 2 | 0 | 4 | 4 | 14.1 | 7.53 | 9.42 | 2.51 | .188 | 75.9% | 44.4% | 28.6% | 6.91 | 8.97 | 6.51 | ||||||
| 2025 | PHI | AAA | 31 | 0 | 1 | 0 | 19 | 2 | 19.1 | 7.45 | 10.71 | 0.93 | .311 | 64.2% | 45.0% | 10.5% | 7.45 | 7.36 | 7.71 | ||||||
| 2025 | PHI | MiLB | 31 | 1 | 3 | 0 | 23 | 6 | 33.2 | 7.49 | 10.16 | 1.60 | .269 | 68.0% | 44.8% | 18.2% | 7.22 | 8.04 | 7.20 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.27 | 5.26 | 1.33 | .296 | 69.6% | 5.44 | 5.55 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 31 | 0 | 0 | 0 | 1 | 0 | 1.4 | 6.70 | 6.93 | 1.61 | .284 | 71.5% | 5.98 | 6.50 | 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 | PHI | ST | 31 | 0 | 0 | 0 | 4 | 0 | 3.0 | 18.00 | 18.00 | 0.00 | .500 | 60.0% | 16.7% | 0.0% | 12.00 | 6.73 | 7.91 | ||||||
| 2025 | PHI | AA | 31 | 1 | 2 | 0 | 4 | 4 | 14.1 | 7.53 | 9.42 | 2.51 | .188 | 75.9% | 44.4% | 28.6% | 6.91 | 8.97 | 6.51 | ||||||
| 2025 | PHI | AAA | 31 | 0 | 1 | 0 | 19 | 2 | 19.1 | 7.45 | 10.71 | 0.93 | .311 | 64.2% | 45.0% | 10.5% | 7.45 | 7.36 | 7.71 | ||||||
| 2025 | PHI | MiLB | 31 | 1 | 3 | 0 | 23 | 6 | 33.2 | 7.49 | 10.16 | 1.60 | .269 | 68.0% | 44.8% | 18.2% | 7.22 | 8.04 | 7.20 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.27 | 5.26 | 1.33 | .296 | 69.6% | 5.44 | 5.55 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 31 | 0 | 0 | 0 | 1 | 0 | 1.4 | 6.70 | 6.93 | 1.61 | .284 | 71.5% | 5.98 | 6.50 | 0.0 |
In-Season ProjectionsMinor LeaguesSpring Training
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | PHI | ST | 0 | 0 | 12.00 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 19 | 3 | 4 | 4 | 0 | 6 | 0 | 1 | 0 | 0 | 6 | |
| 2025 | PHI | AA | 1 | 2 | 6.91 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 14.1 | 66 | 10 | 11 | 11 | 4 | 15 | 0 | 3 | 1 | 0 | 12 | |
| 2025 | PHI | AAA | 0 | 1 | 7.45 | 19 | 2 | 0 | 0 | 0 | 3 | 1 | 19.1 | 106 | 21 | 19 | 16 | 2 | 23 | 0 | 4 | 1 | 0 | 16 | |
| 2025 | PHI | MiLB | 1 | 3 | 7.22 | 23 | 6 | 0 | 0 | 0 | 3 | 1 | 33.2 | 172 | 31 | 30 | 27 | 6 | 38 | 0 | 7 | 2 | 0 | 28 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.98 | 1 | 0 | 0 | 0 | 0 | 1.4 | 7 | 2 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | PHI | ST | 0 | 0 | 12.00 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 19 | 3 | 4 | 4 | 0 | 6 | 0 | 1 | 0 | 0 | 6 | |
| 2025 | PHI | AA | 1 | 2 | 6.91 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 14.1 | 66 | 10 | 11 | 11 | 4 | 15 | 0 | 3 | 1 | 0 | 12 | |
| 2025 | PHI | AAA | 0 | 1 | 7.45 | 19 | 2 | 0 | 0 | 0 | 3 | 1 | 19.1 | 106 | 21 | 19 | 16 | 2 | 23 | 0 | 4 | 1 | 0 | 16 | |
| 2025 | PHI | MiLB | 1 | 3 | 7.22 | 23 | 6 | 0 | 0 | 0 | 3 | 1 | 33.2 | 172 | 31 | 30 | 27 | 6 | 38 | 0 | 7 | 2 | 0 | 28 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.98 | 1 | 0 | 0 | 0 | 0 | 1.4 | 7 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
In-Season ProjectionsMinor LeaguesSpring TrainingAverages
| 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 | PHI | ST | 18.00 | 18.00 | 1.00 | 0.00 | 31.6% | 31.6% | 0.0% | .250 | 3.00 | .500 | 60.0% | 240 | 136 | 6.73 | ||||
| 2025 | PHI | AA | 7.53 | 9.42 | 0.80 | 2.51 | 18.2% | 22.7% | -4.5% | .208 | 1.74 | .188 | 75.9% | 172 | 218 | 8.97 | ||||
| 2025 | PHI | AAA | 7.45 | 10.71 | 0.70 | 0.93 | 15.1% | 21.7% | -6.6% | .266 | 2.28 | .311 | 64.2% | 157 | 157 | 7.36 | ||||
| 2025 | PHI | MiLB | 7.49 | 10.16 | 0.74 | 1.60 | 16.3% | 22.1% | -5.8% | .244 | 2.05 | .269 | 68.0% | 164 | 183 | 8.04 | ||||
| 2025 | Steamer | ROS | 6.27 | 5.26 | 1.19 | 1.33 | 15.1% | 12.7% | 2.4% | .270 | 1.65 | .296 | 69.6% | 5.55 | ||||||
| 2025 | OOPSY | ROS | 6.70 | 6.93 | 0.97 | 1.61 | 14.4% | 14.9% | -0.5% | .265 | 1.92 | .284 | 71.5% | 6.50 |
| 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 | PHI | ST | 18.00 | 18.00 | 1.00 | 0.00 | 31.6% | 31.6% | 0.0% | .250 | 3.00 | .500 | 60.0% | 240 | 136 | 6.73 | ||||
| 2025 | PHI | AA | 7.53 | 9.42 | 0.80 | 2.51 | 18.2% | 22.7% | -4.5% | .208 | 1.74 | .188 | 75.9% | 172 | 218 | 8.97 | ||||
| 2025 | PHI | AAA | 7.45 | 10.71 | 0.70 | 0.93 | 15.1% | 21.7% | -6.6% | .266 | 2.28 | .311 | 64.2% | 157 | 157 | 7.36 | ||||
| 2025 | PHI | MiLB | 7.49 | 10.16 | 0.74 | 1.60 | 16.3% | 22.1% | -5.8% | .244 | 2.05 | .269 | 68.0% | 164 | 183 | 8.04 | ||||
| 2025 | Steamer | ROS | 6.27 | 5.26 | 1.19 | 1.33 | 15.1% | 12.7% | 2.4% | .270 | 1.65 | .296 | 69.6% | 5.55 | ||||||
| 2025 | OOPSY | ROS | 6.70 | 6.93 | 0.97 | 1.61 | 14.4% | 14.9% | -0.5% | .265 | 1.92 | .284 | 71.5% | 6.50 |
In-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | Events Events - The number of Batted Balls (TBF - SO - BB - HBP) | EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat | maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat. | LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat | Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage | Barrel% Barrel% - Percentage of batted balls that are classified as barrels | HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher | HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | PHI | AAA | 63 | 86.5 | 113.4 | 11.2 | 22 | 34.9% | 7.45 |
| Season | Team | Level | Events Events - The number of Batted Balls (TBF - SO - BB - HBP) | EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat | maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat. | LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat | Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage | Barrel% Barrel% - Percentage of batted balls that are classified as barrels | HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher | HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | PHI | AAA | 63 | 86.5 | 113.4 | 11.2 | 22 | 34.9% | 7.45 |
