Jeckferxon Hernandez
Miami Marlins (A)P
Age: 22
Bats/Throws: R/R
6'3" / 185
DOB: 9/18/2002
(22 years, 8 months, 7 days)
P
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In-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | MIA | DSL | 20 | 0 | 1 | 0 | 10 | 0 | 11.0 | 10.64 | 5.73 | 0.00 | .286 | 73.3% | 44.0% | 0.0% | 2.45 | 3.52 | 4.32 | ||||||
| 2024 | MIA | DSL | 21 | 1 | 2 | 0 | 19 | 0 | 18.2 | 13.02 | 8.20 | 0.00 | .341 | 76.5% | 47.7% | 0.0% | 3.38 | 4.14 | 4.53 | ||||||
| 2025 | MIA | CPX | 22 | 0 | 0 | 1 | 2 | 0 | 2.0 | 13.50 | 4.50 | 0.00 | .667 | 60.0% | 83.3% | 0.0% | 0.00 | 2.41 | 2.41 | ||||||
| 2025 | MIA | A | 22 | 0 | 0 | 0 | 2 | 0 | 2.2 | 10.13 | 6.75 | 3.38 | .500 | 71.4% | 44.4% | 50.0% | 10.13 | 8.68 | 4.62 | ||||||
| 2025 | MIA | MiLB | 22 | 0 | 0 | 1 | 4 | 0 | 4.2 | 11.57 | 5.79 | 1.93 | .571 | 66.0% | 60.0% | 50.0% | 5.79 | 5.99 | 3.67 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.79 | 7.09 | 1.29 | .301 | 69.2% | 6.10 | 6.15 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 1.1 | 8.77 | 5.22 | 1.63 | .297 | 78.4% | 5.06 | 5.50 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | MIA | DSL | 20 | 0 | 1 | 0 | 10 | 0 | 11.0 | 10.64 | 5.73 | 0.00 | .286 | 73.3% | 44.0% | 0.0% | 2.45 | 3.52 | 4.32 | ||||||
| 2024 | MIA | DSL | 21 | 1 | 2 | 0 | 19 | 0 | 18.2 | 13.02 | 8.20 | 0.00 | .341 | 76.5% | 47.7% | 0.0% | 3.38 | 4.14 | 4.53 | ||||||
| 2025 | MIA | CPX | 22 | 0 | 0 | 1 | 2 | 0 | 2.0 | 13.50 | 4.50 | 0.00 | .667 | 60.0% | 83.3% | 0.0% | 0.00 | 2.41 | 2.41 | ||||||
| 2025 | MIA | A | 22 | 0 | 0 | 0 | 2 | 0 | 2.2 | 10.13 | 6.75 | 3.38 | .500 | 71.4% | 44.4% | 50.0% | 10.13 | 8.68 | 4.62 | ||||||
| 2025 | MIA | MiLB | 22 | 0 | 0 | 1 | 4 | 0 | 4.2 | 11.57 | 5.79 | 1.93 | .571 | 66.0% | 60.0% | 50.0% | 5.79 | 5.99 | 3.67 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.79 | 7.09 | 1.29 | .301 | 69.2% | 6.10 | 6.15 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 1.1 | 8.77 | 5.22 | 1.63 | .297 | 78.4% | 5.06 | 5.50 | 0.0 |
In-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | MIA | DSL | 0 | 1 | 2.45 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 11.0 | 48 | 8 | 4 | 3 | 0 | 7 | 0 | 0 | 1 | 0 | 13 | |
| 2024 | MIA | DSL | 1 | 2 | 3.38 | 19 | 0 | 0 | 0 | 0 | 3 | 1 | 18.2 | 90 | 15 | 8 | 7 | 0 | 17 | 0 | 2 | 9 | 1 | 27 | |
| 2025 | MIA | CPX | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 2.0 | 10 | 4 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | |
| 2025 | MIA | A | 0 | 0 | 10.13 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 14 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 2 | 0 | 3 | |
| 2025 | MIA | MiLB | 0 | 0 | 5.79 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 4.2 | 24 | 9 | 5 | 3 | 1 | 3 | 0 | 0 | 3 | 0 | 6 | |
| 2025 | Steamer | ROS | 0 | 0 | 6.10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.06 | 1 | 0 | 0 | 0 | 0 | 1.1 | 6 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | MIA | DSL | 0 | 1 | 2.45 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 11.0 | 48 | 8 | 4 | 3 | 0 | 7 | 0 | 0 | 1 | 0 | 13 | |
| 2024 | MIA | DSL | 1 | 2 | 3.38 | 19 | 0 | 0 | 0 | 0 | 3 | 1 | 18.2 | 90 | 15 | 8 | 7 | 0 | 17 | 0 | 2 | 9 | 1 | 27 | |
| 2025 | MIA | CPX | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 2.0 | 10 | 4 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | |
| 2025 | MIA | A | 0 | 0 | 10.13 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 14 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 2 | 0 | 3 | |
| 2025 | MIA | MiLB | 0 | 0 | 5.79 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 4.2 | 24 | 9 | 5 | 3 | 1 | 3 | 0 | 0 | 3 | 0 | 6 | |
| 2025 | Steamer | ROS | 0 | 0 | 6.10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.06 | 1 | 0 | 0 | 0 | 0 | 1.1 | 6 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
In-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | MIA | DSL | 10.64 | 5.73 | 1.86 | 0.00 | 27.1% | 14.6% | 12.5% | .195 | 1.36 | .286 | 73.3% | 52 | 74 | 3.52 | ||||
| 2024 | MIA | DSL | 13.02 | 8.20 | 1.59 | 0.00 | 30.0% | 18.9% | 11.1% | .211 | 1.71 | .341 | 76.5% | 65 | 82 | 4.14 | ||||
| 2025 | MIA | CPX | 13.50 | 4.50 | 3.00 | 0.00 | 30.0% | 10.0% | 20.0% | .444 | 2.50 | .667 | 60.0% | 0 | 55 | 2.41 | ||||
| 2025 | MIA | A | 10.13 | 6.75 | 1.50 | 3.38 | 21.4% | 14.3% | 7.1% | .417 | 2.63 | .500 | 71.4% | 240 | 207 | 8.68 | ||||
| 2025 | MIA | MiLB | 11.57 | 5.79 | 2.00 | 1.93 | 25.0% | 12.5% | 12.5% | .429 | 2.57 | .571 | 66.0% | 137 | 142 | 5.99 | ||||
| 2025 | Steamer | ROS | 5.79 | 7.09 | 0.82 | 1.29 | 13.4% | 16.4% | -3.0% | .277 | 1.89 | .301 | 69.2% | 6.15 | ||||||
| 2025 | OOPSY | ROS | 8.77 | 5.22 | 1.68 | 1.63 | 17.1% | 10.2% | 6.9% | .265 | 1.92 | .297 | 78.4% | 5.50 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | MIA | DSL | 10.64 | 5.73 | 1.86 | 0.00 | 27.1% | 14.6% | 12.5% | .195 | 1.36 | .286 | 73.3% | 52 | 74 | 3.52 | ||||
| 2024 | MIA | DSL | 13.02 | 8.20 | 1.59 | 0.00 | 30.0% | 18.9% | 11.1% | .211 | 1.71 | .341 | 76.5% | 65 | 82 | 4.14 | ||||
| 2025 | MIA | CPX | 13.50 | 4.50 | 3.00 | 0.00 | 30.0% | 10.0% | 20.0% | .444 | 2.50 | .667 | 60.0% | 0 | 55 | 2.41 | ||||
| 2025 | MIA | A | 10.13 | 6.75 | 1.50 | 3.38 | 21.4% | 14.3% | 7.1% | .417 | 2.63 | .500 | 71.4% | 240 | 207 | 8.68 | ||||
| 2025 | MIA | MiLB | 11.57 | 5.79 | 2.00 | 1.93 | 25.0% | 12.5% | 12.5% | .429 | 2.57 | .571 | 66.0% | 137 | 142 | 5.99 | ||||
| 2025 | Steamer | ROS | 5.79 | 7.09 | 0.82 | 1.29 | 13.4% | 16.4% | -3.0% | .277 | 1.89 | .301 | 69.2% | 6.15 | ||||||
| 2025 | OOPSY | ROS | 8.77 | 5.22 | 1.68 | 1.63 | 17.1% | 10.2% | 6.9% | .265 | 1.92 | .297 | 78.4% | 5.50 |
