Keiner Leon
Free Agent (A)P
Age: 21
Bats/Throws: R/R
5'11" / 190
DOB: 10/29/2003
(21 years, 7 months, 1 day)
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 | TOR | DSL | 17 | 7 | 1 | 1 | 19 | 0 | 34.2 | 10.13 | 2.86 | 1.04 | .310 | 85.2% | 29.2% | 9.3% | 2.60 | 3.93 | 3.19 | ||||||
| 2022 | TOR | CPX | 18 | 2 | 3 | 5 | 13 | 0 | 19.2 | 10.07 | 3.20 | 0.00 | .419 | 45.5% | 32.8% | 0.0% | 4.58 | 2.66 | 3.89 | ||||||
| 2022 | TOR | A | 18 | 0 | 0 | 0 | 1 | 0 | 2.1 | 3.86 | 3.86 | 0.00 | .500 | 75.0% | 16.7% | 0.0% | 3.86 | 3.95 | 5.69 | ||||||
| 2022 | TOR | MiLB | 18 | 2 | 3 | 5 | 14 | 0 | 22.0 | 9.41 | 3.27 | 0.00 | .426 | 48.6% | 31.3% | 0.0% | 4.50 | 2.79 | 4.08 | ||||||
| 2023 | TOR | CPX | 19 | 3 | 3 | 0 | 8 | 0 | 15.1 | 11.15 | 4.11 | 1.17 | .413 | 51.6% | 27.7% | 8.3% | 8.22 | 4.54 | 4.43 | ||||||
| 2023 | TOR | A | 19 | 3 | 3 | 0 | 23 | 0 | 28.2 | 8.16 | 4.40 | 1.26 | .286 | 73.4% | 35.4% | 12.9% | 4.08 | 5.37 | 4.88 | ||||||
| 2023 | TOR | MiLB | 19 | 6 | 6 | 0 | 31 | 0 | 44.0 | 9.20 | 4.30 | 1.23 | .333 | 64.4% | 32.5% | 10.9% | 5.52 | 5.08 | 4.72 | ||||||
| 2024 | TOR | A | 20 | 2 | 3 | 2 | 26 | 0 | 31.0 | 10.74 | 6.10 | 1.45 | .375 | 65.3% | 24.7% | 11.6% | 6.10 | 5.30 | 4.73 | ||||||
| 2025 | Steamer | PROJ | 21 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.79 | 6.42 | 1.58 | .293 | 68.8% | 36.3% | 6.28 | 6.44 | 6.34 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 0 | 1.3 | 6.47 | 4.93 | 1.60 | .280 | 67.4% | 5.65 | 5.84 | 0.0 | ||||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.65 | 6.60 | 1.52 | .292 | 69.0% | 6.24 | 6.33 | 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 | TOR | DSL | 17 | 7 | 1 | 1 | 19 | 0 | 34.2 | 10.13 | 2.86 | 1.04 | .310 | 85.2% | 29.2% | 9.3% | 2.60 | 3.93 | 3.19 | ||||||
| 2022 | TOR | CPX | 18 | 2 | 3 | 5 | 13 | 0 | 19.2 | 10.07 | 3.20 | 0.00 | .419 | 45.5% | 32.8% | 0.0% | 4.58 | 2.66 | 3.89 | ||||||
| 2022 | TOR | A | 18 | 0 | 0 | 0 | 1 | 0 | 2.1 | 3.86 | 3.86 | 0.00 | .500 | 75.0% | 16.7% | 0.0% | 3.86 | 3.95 | 5.69 | ||||||
| 2022 | TOR | MiLB | 18 | 2 | 3 | 5 | 14 | 0 | 22.0 | 9.41 | 3.27 | 0.00 | .426 | 48.6% | 31.3% | 0.0% | 4.50 | 2.79 | 4.08 | ||||||
| 2023 | TOR | CPX | 19 | 3 | 3 | 0 | 8 | 0 | 15.1 | 11.15 | 4.11 | 1.17 | .413 | 51.6% | 27.7% | 8.3% | 8.22 | 4.54 | 4.43 | ||||||
| 2023 | TOR | A | 19 | 3 | 3 | 0 | 23 | 0 | 28.2 | 8.16 | 4.40 | 1.26 | .286 | 73.4% | 35.4% | 12.9% | 4.08 | 5.37 | 4.88 | ||||||
| 2023 | TOR | MiLB | 19 | 6 | 6 | 0 | 31 | 0 | 44.0 | 9.20 | 4.30 | 1.23 | .333 | 64.4% | 32.5% | 10.9% | 5.52 | 5.08 | 4.72 | ||||||
| 2024 | TOR | A | 20 | 2 | 3 | 2 | 26 | 0 | 31.0 | 10.74 | 6.10 | 1.45 | .375 | 65.3% | 24.7% | 11.6% | 6.10 | 5.30 | 4.73 | ||||||
| 2025 | Steamer | PROJ | 21 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.79 | 6.42 | 1.58 | .293 | 68.8% | 36.3% | 6.28 | 6.44 | 6.34 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 0 | 1.3 | 6.47 | 4.93 | 1.60 | .280 | 67.4% | 5.65 | 5.84 | 0.0 | ||||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.65 | 6.60 | 1.52 | .292 | 69.0% | 6.24 | 6.33 | 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 | TOR | DSL | 7 | 1 | 2.60 | 19 | 0 | 0 | 0 | 1 | 2 | 2 | 34.2 | 141 | 31 | 11 | 10 | 4 | 11 | 1 | 0 | 2 | 1 | 39 | |
| 2022 | TOR | CPX | 2 | 3 | 4.58 | 13 | 0 | 0 | 0 | 5 | 1 | 0 | 19.2 | 91 | 26 | 18 | 10 | 0 | 7 | 0 | 0 | 0 | 1 | 22 | |
| 2022 | TOR | A | 0 | 0 | 3.86 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 8 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | |
| 2022 | TOR | MiLB | 2 | 3 | 4.50 | 14 | 0 | 0 | 0 | 5 | 1 | 0 | 22.0 | 99 | 29 | 19 | 11 | 0 | 8 | 0 | 0 | 0 | 2 | 23 | |
| 2023 | TOR | CPX | 3 | 3 | 8.22 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 15.1 | 74 | 21 | 15 | 14 | 2 | 7 | 0 | 0 | 2 | 2 | 19 | |
| 2023 | TOR | A | 3 | 3 | 4.08 | 23 | 0 | 0 | 0 | 0 | 1 | 4 | 28.2 | 122 | 26 | 15 | 13 | 4 | 14 | 0 | 1 | 1 | 2 | 26 | |
| 2023 | TOR | MiLB | 6 | 6 | 5.52 | 31 | 0 | 0 | 0 | 0 | 1 | 5 | 44.0 | 196 | 47 | 30 | 27 | 6 | 21 | 0 | 1 | 3 | 4 | 45 | |
| 2024 | TOR | A | 2 | 3 | 6.10 | 26 | 0 | 0 | 0 | 2 | 2 | 4 | 31.0 | 143 | 35 | 24 | 21 | 5 | 21 | 1 | 0 | 6 | 3 | 37 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.65 | 1 | 0 | 0 | 0 | 0 | 1.3 | 6 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2025 | Steamer | ROS | 0 | 0 | 6.24 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | TOR | DSL | 7 | 1 | 2.60 | 19 | 0 | 0 | 0 | 1 | 2 | 2 | 34.2 | 141 | 31 | 11 | 10 | 4 | 11 | 1 | 0 | 2 | 1 | 39 | |
| 2022 | TOR | CPX | 2 | 3 | 4.58 | 13 | 0 | 0 | 0 | 5 | 1 | 0 | 19.2 | 91 | 26 | 18 | 10 | 0 | 7 | 0 | 0 | 0 | 1 | 22 | |
| 2022 | TOR | A | 0 | 0 | 3.86 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 8 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | |
| 2022 | TOR | MiLB | 2 | 3 | 4.50 | 14 | 0 | 0 | 0 | 5 | 1 | 0 | 22.0 | 99 | 29 | 19 | 11 | 0 | 8 | 0 | 0 | 0 | 2 | 23 | |
| 2023 | TOR | CPX | 3 | 3 | 8.22 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 15.1 | 74 | 21 | 15 | 14 | 2 | 7 | 0 | 0 | 2 | 2 | 19 | |
| 2023 | TOR | A | 3 | 3 | 4.08 | 23 | 0 | 0 | 0 | 0 | 1 | 4 | 28.2 | 122 | 26 | 15 | 13 | 4 | 14 | 0 | 1 | 1 | 2 | 26 | |
| 2023 | TOR | MiLB | 6 | 6 | 5.52 | 31 | 0 | 0 | 0 | 0 | 1 | 5 | 44.0 | 196 | 47 | 30 | 27 | 6 | 21 | 0 | 1 | 3 | 4 | 45 | |
| 2024 | TOR | A | 2 | 3 | 6.10 | 26 | 0 | 0 | 0 | 2 | 2 | 4 | 31.0 | 143 | 35 | 24 | 21 | 5 | 21 | 1 | 0 | 6 | 3 | 37 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.65 | 1 | 0 | 0 | 0 | 0 | 1.3 | 6 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2025 | Steamer | ROS | 0 | 0 | 6.24 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | TOR | DSL | 10.13 | 2.86 | 3.55 | 1.04 | 27.7% | 7.8% | 19.9% | .238 | 1.21 | .310 | 85.2% | 62 | 92 | 3.93 | ||||
| 2022 | TOR | CPX | 10.07 | 3.20 | 3.14 | 0.00 | 24.2% | 7.7% | 16.5% | .310 | 1.68 | .419 | 45.5% | 105 | 61 | 2.66 | ||||
| 2022 | TOR | A | 3.86 | 3.86 | 1.00 | 0.00 | 12.5% | 12.5% | 0.0% | .429 | 1.71 | .500 | 75.0% | 99 | 100 | 3.95 | ||||
| 2022 | TOR | MiLB | 9.41 | 3.27 | 2.88 | 0.00 | 23.2% | 8.1% | 15.2% | .319 | 1.68 | .426 | 48.6% | 104 | 65 | 2.79 | ||||
| 2023 | TOR | CPX | 11.15 | 4.11 | 2.71 | 1.17 | 25.7% | 9.5% | 16.2% | .313 | 1.83 | .413 | 51.6% | 162 | 90 | 4.54 | ||||
| 2023 | TOR | A | 8.16 | 4.40 | 1.86 | 1.26 | 21.3% | 11.5% | 9.8% | .243 | 1.40 | .286 | 73.4% | 89 | 116 | 5.37 | ||||
| 2023 | TOR | MiLB | 9.20 | 4.30 | 2.14 | 1.23 | 23.0% | 10.7% | 12.2% | .270 | 1.55 | .333 | 64.4% | 114 | 107 | 5.08 | ||||
| 2024 | TOR | A | 10.74 | 6.10 | 1.76 | 1.45 | 25.9% | 14.7% | 11.2% | .287 | 1.81 | .375 | 65.3% | 151 | 130 | 5.30 | ||||
| 2025 | Steamer | PROJ | 5.79 | 6.42 | 0.90 | 1.58 | 13.5% | 15.0% | -1.5% | .277 | 1.82 | .293 | 68.8% | 6.44 | ||||||
| 2025 | OOPSY | PROJ | 6.47 | 4.93 | 1.31 | 1.60 | 15.7% | 11.9% | 3.7% | .262 | 1.59 | .280 | 67.4% | 5.84 | ||||||
| 2025 | Steamer | ROS | 5.65 | 6.60 | 0.86 | 1.52 | 13.1% | 15.4% | -2.2% | .276 | 1.84 | .292 | 69.0% | 6.33 |
| 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 | TOR | DSL | 10.13 | 2.86 | 3.55 | 1.04 | 27.7% | 7.8% | 19.9% | .238 | 1.21 | .310 | 85.2% | 62 | 92 | 3.93 | ||||
| 2022 | TOR | CPX | 10.07 | 3.20 | 3.14 | 0.00 | 24.2% | 7.7% | 16.5% | .310 | 1.68 | .419 | 45.5% | 105 | 61 | 2.66 | ||||
| 2022 | TOR | A | 3.86 | 3.86 | 1.00 | 0.00 | 12.5% | 12.5% | 0.0% | .429 | 1.71 | .500 | 75.0% | 99 | 100 | 3.95 | ||||
| 2022 | TOR | MiLB | 9.41 | 3.27 | 2.88 | 0.00 | 23.2% | 8.1% | 15.2% | .319 | 1.68 | .426 | 48.6% | 104 | 65 | 2.79 | ||||
| 2023 | TOR | CPX | 11.15 | 4.11 | 2.71 | 1.17 | 25.7% | 9.5% | 16.2% | .313 | 1.83 | .413 | 51.6% | 162 | 90 | 4.54 | ||||
| 2023 | TOR | A | 8.16 | 4.40 | 1.86 | 1.26 | 21.3% | 11.5% | 9.8% | .243 | 1.40 | .286 | 73.4% | 89 | 116 | 5.37 | ||||
| 2023 | TOR | MiLB | 9.20 | 4.30 | 2.14 | 1.23 | 23.0% | 10.7% | 12.2% | .270 | 1.55 | .333 | 64.4% | 114 | 107 | 5.08 | ||||
| 2024 | TOR | A | 10.74 | 6.10 | 1.76 | 1.45 | 25.9% | 14.7% | 11.2% | .287 | 1.81 | .375 | 65.3% | 151 | 130 | 5.30 | ||||
| 2025 | Steamer | PROJ | 5.79 | 6.42 | 0.90 | 1.58 | 13.5% | 15.0% | -1.5% | .277 | 1.82 | .293 | 68.8% | 6.44 | ||||||
| 2025 | OOPSY | PROJ | 6.47 | 4.93 | 1.31 | 1.60 | 15.7% | 11.9% | 3.7% | .262 | 1.59 | .280 | 67.4% | 5.84 | ||||||
| 2025 | Steamer | ROS | 5.65 | 6.60 | 0.86 | 1.52 | 13.1% | 15.4% | -2.2% | .276 | 1.84 | .292 | 69.0% | 6.33 |
