Jon Olsen
New York Yankees (AAA)P
Age: 28
Bats/Throws: R/R
6'2" / 190
DOB: 5/13/1997
(28 years, 16 days)
P
Quick Links
More
Stats
Stat Groups:
Select
You can shift + click on full MLB seasons in Season Stats and games in Game Logs to select spans for aggregate stats. Read more here
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIN | A+ | 24 | 1 | 4 | 0 | 16 | 13 | 67.0 | 7.66 | 4.16 | 0.81 | .254 | 74.2% | 45.9% | 8.0% | 4.03 | 4.98 | 5.40 | ||||||
| 2022 | MIN | CPX | 25 | 0 | 0 | 0 | 6 | 0 | 8.2 | 8.31 | 2.08 | 0.00 | .273 | 87.5% | 54.5% | 0.0% | 1.04 | 2.67 | 3.40 | ||||||
| 2022 | MIN | A+ | 25 | 1 | 1 | 0 | 16 | 3 | 22.2 | 11.91 | 3.18 | 0.00 | .361 | 58.1% | 50.0% | 0.0% | 4.76 | 2.03 | 2.84 | ||||||
| 2022 | MIN | MiLB | 25 | 1 | 1 | 0 | 22 | 3 | 31.1 | 10.91 | 2.87 | 0.00 | .337 | 64.1% | 51.2% | 0.0% | 3.73 | 2.21 | 2.99 | ||||||
| 2025 | Steamer | PROJ | 28 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.38 | 4.54 | 1.32 | .299 | 69.9% | 42.9% | 5.20 | 5.30 | 5.20 | 0.0 | ||||||
| 2025 | NYY | AA | 28 | 0 | 0 | 0 | 2 | 1 | 4.0 | 13.50 | 2.25 | 0.00 | .400 | 60.0% | 50.0% | 0.0% | 4.50 | 1.16 | 1.76 | ||||||
| 2025 | NYY | AAA | 28 | 0 | 0 | 0 | 1 | 0 | 1.0 | 9.00 | 9.00 | 0.00 | .600 | 25.0% | 20.0% | 0.0% | 27.00 | 4.57 | 9.44 | ||||||
| 2025 | NYY | MiLB | 28 | 0 | 0 | 0 | 3 | 1 | 5.0 | 12.60 | 3.60 | 0.00 | .467 | 44.4% | 40.0% | 0.0% | 9.00 | 1.84 | 3.29 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.64 | 3.23 | 1.32 | .293 | 72.3% | 4.41 | 4.47 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 28 | 0 | 0 | 0 | 1 | 0 | 1.7 | 8.88 | 4.10 | 1.45 | .280 | 75.0% | 4.47 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIN | A+ | 24 | 1 | 4 | 0 | 16 | 13 | 67.0 | 7.66 | 4.16 | 0.81 | .254 | 74.2% | 45.9% | 8.0% | 4.03 | 4.98 | 5.40 | ||||||
| 2022 | MIN | CPX | 25 | 0 | 0 | 0 | 6 | 0 | 8.2 | 8.31 | 2.08 | 0.00 | .273 | 87.5% | 54.5% | 0.0% | 1.04 | 2.67 | 3.40 | ||||||
| 2022 | MIN | A+ | 25 | 1 | 1 | 0 | 16 | 3 | 22.2 | 11.91 | 3.18 | 0.00 | .361 | 58.1% | 50.0% | 0.0% | 4.76 | 2.03 | 2.84 | ||||||
| 2022 | MIN | MiLB | 25 | 1 | 1 | 0 | 22 | 3 | 31.1 | 10.91 | 2.87 | 0.00 | .337 | 64.1% | 51.2% | 0.0% | 3.73 | 2.21 | 2.99 | ||||||
| 2025 | Steamer | PROJ | 28 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.38 | 4.54 | 1.32 | .299 | 69.9% | 42.9% | 5.20 | 5.30 | 5.20 | 0.0 | ||||||
| 2025 | NYY | AA | 28 | 0 | 0 | 0 | 2 | 1 | 4.0 | 13.50 | 2.25 | 0.00 | .400 | 60.0% | 50.0% | 0.0% | 4.50 | 1.16 | 1.76 | ||||||
| 2025 | NYY | AAA | 28 | 0 | 0 | 0 | 1 | 0 | 1.0 | 9.00 | 9.00 | 0.00 | .600 | 25.0% | 20.0% | 0.0% | 27.00 | 4.57 | 9.44 | ||||||
| 2025 | NYY | MiLB | 28 | 0 | 0 | 0 | 3 | 1 | 5.0 | 12.60 | 3.60 | 0.00 | .467 | 44.4% | 40.0% | 0.0% | 9.00 | 1.84 | 3.29 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.64 | 3.23 | 1.32 | .293 | 72.3% | 4.41 | 4.47 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 28 | 0 | 0 | 0 | 1 | 0 | 1.7 | 8.88 | 4.10 | 1.45 | .280 | 75.0% | 4.47 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIN | A+ | 1 | 4 | 4.03 | 16 | 13 | 0 | 0 | 0 | 0 | 2 | 67.0 | 287 | 53 | 30 | 30 | 6 | 31 | 0 | 8 | 10 | 0 | 57 | |
| 2022 | MIN | CPX | 0 | 0 | 1.04 | 6 | 0 | 0 | 0 | 0 | 2 | 0 | 8.2 | 32 | 6 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 8 | |
| 2022 | MIN | A+ | 1 | 1 | 4.76 | 16 | 3 | 0 | 0 | 0 | 0 | 0 | 22.2 | 100 | 22 | 13 | 12 | 0 | 8 | 0 | 1 | 7 | 1 | 30 | |
| 2022 | MIN | MiLB | 1 | 1 | 3.73 | 22 | 3 | 0 | 0 | 0 | 2 | 0 | 31.1 | 132 | 28 | 14 | 13 | 0 | 10 | 0 | 1 | 8 | 1 | 38 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.20 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | NYY | AA | 0 | 0 | 4.50 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 4.0 | 17 | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | |
| 2025 | NYY | AAA | 0 | 0 | 27.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 7 | 3 | 3 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
| 2025 | NYY | MiLB | 0 | 0 | 9.00 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 5.0 | 24 | 7 | 5 | 5 | 0 | 2 | 0 | 0 | 1 | 0 | 7 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.41 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 4.47 | 1 | 0 | 0 | 0 | 0 | 1.7 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 2 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIN | A+ | 1 | 4 | 4.03 | 16 | 13 | 0 | 0 | 0 | 0 | 2 | 67.0 | 287 | 53 | 30 | 30 | 6 | 31 | 0 | 8 | 10 | 0 | 57 | |
| 2022 | MIN | CPX | 0 | 0 | 1.04 | 6 | 0 | 0 | 0 | 0 | 2 | 0 | 8.2 | 32 | 6 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 8 | |
| 2022 | MIN | A+ | 1 | 1 | 4.76 | 16 | 3 | 0 | 0 | 0 | 0 | 0 | 22.2 | 100 | 22 | 13 | 12 | 0 | 8 | 0 | 1 | 7 | 1 | 30 | |
| 2022 | MIN | MiLB | 1 | 1 | 3.73 | 22 | 3 | 0 | 0 | 0 | 2 | 0 | 31.1 | 132 | 28 | 14 | 13 | 0 | 10 | 0 | 1 | 8 | 1 | 38 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.20 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | NYY | AA | 0 | 0 | 4.50 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 4.0 | 17 | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | |
| 2025 | NYY | AAA | 0 | 0 | 27.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 7 | 3 | 3 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
| 2025 | NYY | MiLB | 0 | 0 | 9.00 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 5.0 | 24 | 7 | 5 | 5 | 0 | 2 | 0 | 0 | 1 | 0 | 7 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.41 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 4.47 | 1 | 0 | 0 | 0 | 0 | 1.7 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 2 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIN | A+ | 7.66 | 4.16 | 1.84 | 0.81 | 19.9% | 10.8% | 9.1% | .214 | 1.25 | .254 | 74.2% | 91 | 111 | 4.98 | ||||
| 2022 | MIN | CPX | 8.31 | 2.08 | 4.00 | 0.00 | 25.0% | 6.3% | 18.8% | .200 | 0.92 | .273 | 87.5% | 25 | 62 | 2.67 | ||||
| 2022 | MIN | A+ | 11.91 | 3.18 | 3.75 | 0.00 | 30.0% | 8.0% | 22.0% | .242 | 1.32 | .361 | 58.1% | 114 | 48 | 2.03 | ||||
| 2022 | MIN | MiLB | 10.91 | 2.87 | 3.80 | 0.00 | 28.8% | 7.6% | 21.2% | .231 | 1.21 | .337 | 64.1% | 89 | 51 | 2.21 | ||||
| 2025 | Steamer | PROJ | 6.38 | 4.54 | 1.41 | 1.32 | 15.7% | 11.2% | 4.5% | .271 | 1.58 | .299 | 69.9% | 5.30 | ||||||
| 2025 | NYY | AA | 13.50 | 2.25 | 6.00 | 0.00 | 35.3% | 5.9% | 29.4% | .250 | 1.25 | .400 | 60.0% | 122 | 31 | 1.16 | ||||
| 2025 | NYY | AAA | 9.00 | 9.00 | 1.00 | 0.00 | 14.3% | 14.3% | 0.0% | .500 | 4.00 | .600 | 25.0% | 594 | 100 | 4.57 | ||||
| 2025 | NYY | MiLB | 12.60 | 3.60 | 3.50 | 0.00 | 29.2% | 8.3% | 20.8% | .318 | 1.80 | .467 | 44.4% | 216 | 45 | 1.84 | ||||
| 2025 | Steamer | ROS | 7.64 | 3.23 | 2.37 | 1.32 | 19.5% | 8.3% | 11.3% | .256 | 1.37 | .293 | 72.3% | 4.47 | ||||||
| 2025 | OOPSY | ROS | 8.88 | 4.10 | 2.17 | 1.45 | 20.6% | 9.5% | 11.1% | .243 | 1.50 | .280 | 75.0% | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MIN | A+ | 7.66 | 4.16 | 1.84 | 0.81 | 19.9% | 10.8% | 9.1% | .214 | 1.25 | .254 | 74.2% | 91 | 111 | 4.98 | ||||
| 2022 | MIN | CPX | 8.31 | 2.08 | 4.00 | 0.00 | 25.0% | 6.3% | 18.8% | .200 | 0.92 | .273 | 87.5% | 25 | 62 | 2.67 | ||||
| 2022 | MIN | A+ | 11.91 | 3.18 | 3.75 | 0.00 | 30.0% | 8.0% | 22.0% | .242 | 1.32 | .361 | 58.1% | 114 | 48 | 2.03 | ||||
| 2022 | MIN | MiLB | 10.91 | 2.87 | 3.80 | 0.00 | 28.8% | 7.6% | 21.2% | .231 | 1.21 | .337 | 64.1% | 89 | 51 | 2.21 | ||||
| 2025 | Steamer | PROJ | 6.38 | 4.54 | 1.41 | 1.32 | 15.7% | 11.2% | 4.5% | .271 | 1.58 | .299 | 69.9% | 5.30 | ||||||
| 2025 | NYY | AA | 13.50 | 2.25 | 6.00 | 0.00 | 35.3% | 5.9% | 29.4% | .250 | 1.25 | .400 | 60.0% | 122 | 31 | 1.16 | ||||
| 2025 | NYY | AAA | 9.00 | 9.00 | 1.00 | 0.00 | 14.3% | 14.3% | 0.0% | .500 | 4.00 | .600 | 25.0% | 594 | 100 | 4.57 | ||||
| 2025 | NYY | MiLB | 12.60 | 3.60 | 3.50 | 0.00 | 29.2% | 8.3% | 20.8% | .318 | 1.80 | .467 | 44.4% | 216 | 45 | 1.84 | ||||
| 2025 | Steamer | ROS | 7.64 | 3.23 | 2.37 | 1.32 | 19.5% | 8.3% | 11.3% | .256 | 1.37 | .293 | 72.3% | 4.47 | ||||||
| 2025 | OOPSY | ROS | 8.88 | 4.10 | 2.17 | 1.45 | 20.6% | 9.5% | 11.1% | .243 | 1.50 | .280 | 75.0% | 4.81 |
Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| 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 | NYY | AAA | 5 | 87.4 | 107.5 | 6.4 | 3 | 60.0% | 27.00 |
| 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 | NYY | AAA | 5 | 87.4 | 107.5 | 6.4 | 3 | 60.0% | 27.00 |
