Jeckferxon Hernandez
Miami Marlins (A)P
Age: 22
Bats/Throws: R/R
6'3" / 185
DOB: 9/18/2002
(22 years, 8 months, 28 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 | 1 | 0 | 0 | 8 | 0 | 11.2 | 13.89 | 7.71 | 0.77 | .333 | 73.9% | 41.7% | 11.1% | 2.31 | 4.27 | 4.00 | ||||||
| 2025 | MIA | MiLB | 22 | 1 | 0 | 1 | 10 | 0 | 13.2 | 13.83 | 7.24 | 0.66 | .400 | 70.8% | 50.0% | 11.1% | 1.98 | 4.00 | 3.77 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.26 | 7.19 | 1.24 | .301 | 69.6% | 5.95 | 6.01 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 1.3 | 8.40 | 5.09 | 1.36 | .297 | 71.8% | 5.03 | 5.12 | 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 | 1 | 0 | 0 | 8 | 0 | 11.2 | 13.89 | 7.71 | 0.77 | .333 | 73.9% | 41.7% | 11.1% | 2.31 | 4.27 | 4.00 | ||||||
| 2025 | MIA | MiLB | 22 | 1 | 0 | 1 | 10 | 0 | 13.2 | 13.83 | 7.24 | 0.66 | .400 | 70.8% | 50.0% | 11.1% | 1.98 | 4.00 | 3.77 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.26 | 7.19 | 1.24 | .301 | 69.6% | 5.95 | 6.01 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 1.3 | 8.40 | 5.09 | 1.36 | .297 | 71.8% | 5.03 | 5.12 | 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 | 1 | 0 | 2.31 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 11.2 | 53 | 9 | 6 | 3 | 1 | 10 | 0 | 0 | 2 | 1 | 18 | |
| 2025 | MIA | MiLB | 1 | 0 | 1.98 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 13.2 | 63 | 13 | 8 | 3 | 1 | 11 | 0 | 0 | 3 | 1 | 21 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.95 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.03 | 1 | 0 | 0 | 0 | 0 | 1.3 | 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 | 1 | 0 | 2.31 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 11.2 | 53 | 9 | 6 | 3 | 1 | 10 | 0 | 0 | 2 | 1 | 18 | |
| 2025 | MIA | MiLB | 1 | 0 | 1.98 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 13.2 | 63 | 13 | 8 | 3 | 1 | 11 | 0 | 0 | 3 | 1 | 21 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.95 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.03 | 1 | 0 | 0 | 0 | 0 | 1.3 | 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 | 13.89 | 7.71 | 1.80 | 0.77 | 34.0% | 18.9% | 15.1% | .209 | 1.63 | .333 | 73.9% | 55 | 103 | 4.27 | ||||
| 2025 | MIA | MiLB | 13.83 | 7.24 | 1.91 | 0.66 | 33.3% | 17.5% | 15.9% | .250 | 1.76 | .400 | 70.8% | 47 | 96 | 4.00 | ||||
| 2025 | Steamer | ROS | 6.26 | 7.19 | 0.87 | 1.24 | 14.5% | 16.7% | -2.2% | .272 | 1.87 | .301 | 69.6% | 6.01 | ||||||
| 2025 | OOPSY | ROS | 8.40 | 5.09 | 1.65 | 1.36 | 19.6% | 11.9% | 7.7% | .256 | 1.63 | .297 | 71.8% | 5.12 |
| 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 | 13.89 | 7.71 | 1.80 | 0.77 | 34.0% | 18.9% | 15.1% | .209 | 1.63 | .333 | 73.9% | 55 | 103 | 4.27 | ||||
| 2025 | MIA | MiLB | 13.83 | 7.24 | 1.91 | 0.66 | 33.3% | 17.5% | 15.9% | .250 | 1.76 | .400 | 70.8% | 47 | 96 | 4.00 | ||||
| 2025 | Steamer | ROS | 6.26 | 7.19 | 0.87 | 1.24 | 14.5% | 16.7% | -2.2% | .272 | 1.87 | .301 | 69.6% | 6.01 | ||||||
| 2025 | OOPSY | ROS | 8.40 | 5.09 | 1.65 | 1.36 | 19.6% | 11.9% | 7.7% | .256 | 1.63 | .297 | 71.8% | 5.12 |
