Yensy Bello
Seattle Mariners (A)P
Age: 22
Bats/Throws: R/L
5'10" / 180
DOB: 12/2/2002
(22 years, 8 months, 1 day)
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | SEA | DSL | 19 | 0 | 0 | 0 | 12 | 0 | 11.2 | 13.11 | 11.57 | 0.77 | .261 | 61.9% | 54.2% | 14.3% | 7.71 | 6.38 | 5.69 | ||||||
| 2023 | SEA | DSL | 20 | 3 | 3 | 1 | 15 | 0 | 25.2 | 13.68 | 3.86 | 0.00 | .345 | 70.6% | 47.2% | 0.0% | 3.51 | 2.58 | 3.03 | ||||||
| 2024 | SEA | CPX | 21 | 2 | 1 | 1 | 13 | 0 | 14.0 | 9.64 | 3.21 | 0.00 | .278 | 68.8% | 48.5% | 0.0% | 0.64 | 3.84 | 4.44 | ||||||
| 2024 | SEA | A | 21 | 0 | 0 | 0 | 1 | 0 | 0.1 | 27.00 | 54.00 | 0.00 | 1.000 | 20.0% | 33.3% | 0.0% | 81.00 | 16.07 | 19.24 | ||||||
| 2024 | SEA | MiLB | 21 | 2 | 1 | 1 | 14 | 0 | 14.1 | 10.05 | 4.40 | 0.00 | .333 | 57.1% | 47.2% | 0.0% | 2.51 | 4.12 | 4.79 | ||||||
| 2025 | Steamer | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.43 | 6.85 | 1.27 | .291 | 71.4% | 41.6% | 5.49 | 6.00 | 6.02 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.05 | 4.39 | 1.30 | .275 | 70.0% | 4.77 | 5.09 | 0.0 | ||||||||
| 2025 | SEA | A | 22 | 1 | 1 | 0 | 26 | 0 | 37.0 | 8.03 | 6.57 | 0.49 | .315 | 60.4% | 33.9% | 4.3% | 6.57 | 5.51 | 5.87 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.52 | 6.88 | 1.37 | .289 | 70.5% | 5.87 | 6.31 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | SEA | DSL | 19 | 0 | 0 | 0 | 12 | 0 | 11.2 | 13.11 | 11.57 | 0.77 | .261 | 61.9% | 54.2% | 14.3% | 7.71 | 6.38 | 5.69 | ||||||
| 2023 | SEA | DSL | 20 | 3 | 3 | 1 | 15 | 0 | 25.2 | 13.68 | 3.86 | 0.00 | .345 | 70.6% | 47.2% | 0.0% | 3.51 | 2.58 | 3.03 | ||||||
| 2024 | SEA | CPX | 21 | 2 | 1 | 1 | 13 | 0 | 14.0 | 9.64 | 3.21 | 0.00 | .278 | 68.8% | 48.5% | 0.0% | 0.64 | 3.84 | 4.44 | ||||||
| 2024 | SEA | A | 21 | 0 | 0 | 0 | 1 | 0 | 0.1 | 27.00 | 54.00 | 0.00 | 1.000 | 20.0% | 33.3% | 0.0% | 81.00 | 16.07 | 19.24 | ||||||
| 2024 | SEA | MiLB | 21 | 2 | 1 | 1 | 14 | 0 | 14.1 | 10.05 | 4.40 | 0.00 | .333 | 57.1% | 47.2% | 0.0% | 2.51 | 4.12 | 4.79 | ||||||
| 2025 | Steamer | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.43 | 6.85 | 1.27 | .291 | 71.4% | 41.6% | 5.49 | 6.00 | 6.02 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.05 | 4.39 | 1.30 | .275 | 70.0% | 4.77 | 5.09 | 0.0 | ||||||||
| 2025 | SEA | A | 22 | 1 | 1 | 0 | 26 | 0 | 37.0 | 8.03 | 6.57 | 0.49 | .315 | 60.4% | 33.9% | 4.3% | 6.57 | 5.51 | 5.87 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.52 | 6.88 | 1.37 | .289 | 70.5% | 5.87 | 6.31 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | SEA | DSL | 0 | 0 | 7.71 | 12 | 0 | 0 | 0 | 0 | 4 | 0 | 11.2 | 58 | 7 | 10 | 10 | 1 | 15 | 0 | 2 | 10 | 2 | 17 | |
| 2023 | SEA | DSL | 3 | 3 | 3.51 | 15 | 0 | 0 | 0 | 1 | 1 | 0 | 25.2 | 111 | 20 | 10 | 10 | 0 | 11 | 0 | 3 | 7 | 0 | 39 | |
| 2024 | SEA | CPX | 2 | 1 | 0.64 | 13 | 0 | 0 | 0 | 1 | 0 | 1 | 14.0 | 57 | 10 | 5 | 1 | 0 | 5 | 1 | 1 | 3 | 0 | 15 | |
| 2024 | SEA | A | 0 | 0 | 81.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 6 | 3 | 4 | 3 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | |
| 2024 | SEA | MiLB | 2 | 1 | 2.51 | 14 | 0 | 0 | 0 | 1 | 0 | 1 | 14.1 | 63 | 13 | 9 | 4 | 0 | 7 | 1 | 1 | 3 | 1 | 16 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.49 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 4.77 | 1 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||||
| 2025 | SEA | A | 1 | 1 | 6.57 | 26 | 0 | 0 | 0 | 0 | 2 | 1 | 37.0 | 178 | 37 | 29 | 27 | 2 | 27 | 0 | 5 | 5 | 1 | 33 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.87 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | SEA | DSL | 0 | 0 | 7.71 | 12 | 0 | 0 | 0 | 0 | 4 | 0 | 11.2 | 58 | 7 | 10 | 10 | 1 | 15 | 0 | 2 | 10 | 2 | 17 | |
| 2023 | SEA | DSL | 3 | 3 | 3.51 | 15 | 0 | 0 | 0 | 1 | 1 | 0 | 25.2 | 111 | 20 | 10 | 10 | 0 | 11 | 0 | 3 | 7 | 0 | 39 | |
| 2024 | SEA | CPX | 2 | 1 | 0.64 | 13 | 0 | 0 | 0 | 1 | 0 | 1 | 14.0 | 57 | 10 | 5 | 1 | 0 | 5 | 1 | 1 | 3 | 0 | 15 | |
| 2024 | SEA | A | 0 | 0 | 81.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 6 | 3 | 4 | 3 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | |
| 2024 | SEA | MiLB | 2 | 1 | 2.51 | 14 | 0 | 0 | 0 | 1 | 0 | 1 | 14.1 | 63 | 13 | 9 | 4 | 0 | 7 | 1 | 1 | 3 | 1 | 16 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.49 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 4.77 | 1 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||||
| 2025 | SEA | A | 1 | 1 | 6.57 | 26 | 0 | 0 | 0 | 0 | 2 | 1 | 37.0 | 178 | 37 | 29 | 27 | 2 | 27 | 0 | 5 | 5 | 1 | 33 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.87 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | SEA | DSL | 13.11 | 11.57 | 1.13 | 0.77 | 29.3% | 25.9% | 3.4% | .171 | 1.89 | .261 | 61.9% | 176 | 142 | 6.38 | ||||
| 2023 | SEA | DSL | 13.68 | 3.86 | 3.55 | 0.00 | 35.1% | 9.9% | 25.2% | .206 | 1.21 | .345 | 70.6% | 75 | 53 | 2.58 | ||||
| 2024 | SEA | CPX | 9.64 | 3.21 | 3.00 | 0.00 | 26.3% | 8.8% | 17.5% | .196 | 1.07 | .278 | 68.8% | 13 | 72 | 3.84 | ||||
| 2024 | SEA | A | 27.00 | 54.00 | 0.50 | 0.00 | 16.7% | 33.3% | -16.7% | .750 | 15.00 | 1.000 | 20.0% | 999 | 351 | 16.07 | ||||
| 2024 | SEA | MiLB | 10.05 | 4.40 | 2.29 | 0.00 | 25.4% | 11.1% | 14.3% | .236 | 1.40 | .333 | 57.1% | 52 | 79 | 4.12 | ||||
| 2025 | Steamer | PROJ | 6.43 | 6.85 | 0.94 | 1.27 | 15.1% | 16.1% | -1.0% | .263 | 1.79 | .291 | 71.4% | 6.00 | ||||||
| 2025 | OOPSY | PROJ | 7.05 | 4.39 | 1.61 | 1.30 | 17.5% | 10.9% | 6.6% | .247 | 1.46 | .275 | 70.0% | 5.09 | ||||||
| 2025 | SEA | A | 8.03 | 6.57 | 1.22 | 0.49 | 18.5% | 15.2% | 3.4% | .253 | 1.73 | .315 | 60.4% | 149 | 128 | 5.51 | ||||
| 2025 | Steamer | ROS | 5.52 | 6.88 | 0.80 | 1.37 | 12.8% | 16.0% | -3.2% | .272 | 1.84 | .289 | 70.5% | 6.31 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | SEA | DSL | 13.11 | 11.57 | 1.13 | 0.77 | 29.3% | 25.9% | 3.4% | .171 | 1.89 | .261 | 61.9% | 176 | 142 | 6.38 | ||||
| 2023 | SEA | DSL | 13.68 | 3.86 | 3.55 | 0.00 | 35.1% | 9.9% | 25.2% | .206 | 1.21 | .345 | 70.6% | 75 | 53 | 2.58 | ||||
| 2024 | SEA | CPX | 9.64 | 3.21 | 3.00 | 0.00 | 26.3% | 8.8% | 17.5% | .196 | 1.07 | .278 | 68.8% | 13 | 72 | 3.84 | ||||
| 2024 | SEA | A | 27.00 | 54.00 | 0.50 | 0.00 | 16.7% | 33.3% | -16.7% | .750 | 15.00 | 1.000 | 20.0% | 999 | 351 | 16.07 | ||||
| 2024 | SEA | MiLB | 10.05 | 4.40 | 2.29 | 0.00 | 25.4% | 11.1% | 14.3% | .236 | 1.40 | .333 | 57.1% | 52 | 79 | 4.12 | ||||
| 2025 | Steamer | PROJ | 6.43 | 6.85 | 0.94 | 1.27 | 15.1% | 16.1% | -1.0% | .263 | 1.79 | .291 | 71.4% | 6.00 | ||||||
| 2025 | OOPSY | PROJ | 7.05 | 4.39 | 1.61 | 1.30 | 17.5% | 10.9% | 6.6% | .247 | 1.46 | .275 | 70.0% | 5.09 | ||||||
| 2025 | SEA | A | 8.03 | 6.57 | 1.22 | 0.49 | 18.5% | 15.2% | 3.4% | .253 | 1.73 | .315 | 60.4% | 149 | 128 | 5.51 | ||||
| 2025 | Steamer | ROS | 5.52 | 6.88 | 0.80 | 1.37 | 12.8% | 16.0% | -3.2% | .272 | 1.84 | .289 | 70.5% | 6.31 |
