J.J. Leaper
Free Agent (A+)P
Age: 38
Bats/Throws: R/R
6'1" / 160
DOB: 3/12/1987
(38 years, 2 months, 17 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
Minor 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | NYM | R | 19 | 2 | 2 | 0 | 9 | 6 | 28.0 | 6.43 | 3.21 | 0.32 | .362 | 75.1% | 4.18 | 3.83 | |||||||||
| 2007 | NYM | A- | 20 | 0 | 1 | 0 | 4 | 4 | 21.0 | 6.43 | 3.00 | 0.43 | .290 | 86.5% | 2.14 | 3.96 | 4.01 | ||||||||
| 2007 | NYM | A+ | 20 | 0 | 1 | 0 | 4 | 3 | 12.0 | 3.00 | 4.50 | 3.75 | .348 | 61.9% | 8.25 | 9.83 | 5.82 | ||||||||
| 2007 | NYM | MiLB | 20 | 0 | 2 | 0 | 8 | 7 | 33.0 | 5.18 | 3.55 | 1.64 | .315 | 75.6% | 48.2% | 15.0% | 4.36 | 6.09 | 4.67 | ||||||
| 2010 | KCR | R | 23 | 0 | 0 | 2 | 14 | 0 | 21.0 | 5.57 | 3.43 | 1.29 | .271 | 77.5% | 41.8% | 10.0% | 3.00 | 5.32 | 4.72 | ||||||
| 2011 | OAK | A+ | 24 | 0 | 0 | 0 | 1 | 0 | 1.0 | 0.00 | 18.00 | 27.00 | .667 | 41.7% | 50.0% | 100.0% | 54.00 | 48.95 | 13.40 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | NYM | R | 19 | 2 | 2 | 0 | 9 | 6 | 28.0 | 6.43 | 3.21 | 0.32 | .362 | 75.1% | 4.18 | 3.83 | |||||||||
| 2007 | NYM | A- | 20 | 0 | 1 | 0 | 4 | 4 | 21.0 | 6.43 | 3.00 | 0.43 | .290 | 86.5% | 2.14 | 3.96 | 4.01 | ||||||||
| 2007 | NYM | A+ | 20 | 0 | 1 | 0 | 4 | 3 | 12.0 | 3.00 | 4.50 | 3.75 | .348 | 61.9% | 8.25 | 9.83 | 5.82 | ||||||||
| 2007 | NYM | MiLB | 20 | 0 | 2 | 0 | 8 | 7 | 33.0 | 5.18 | 3.55 | 1.64 | .315 | 75.6% | 48.2% | 15.0% | 4.36 | 6.09 | 4.67 | ||||||
| 2010 | KCR | R | 23 | 0 | 0 | 2 | 14 | 0 | 21.0 | 5.57 | 3.43 | 1.29 | .271 | 77.5% | 41.8% | 10.0% | 3.00 | 5.32 | 4.72 | ||||||
| 2011 | OAK | A+ | 24 | 0 | 0 | 0 | 1 | 0 | 1.0 | 0.00 | 18.00 | 27.00 | .667 | 41.7% | 50.0% | 100.0% | 54.00 | 48.95 | 13.40 |
Minor 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | NYM | R | 2 | 2 | 4.18 | 9 | 6 | 0 | 0 | 0 | 0 | 0 | 28.0 | 128 | 35 | 13 | 13 | 1 | 10 | 0 | 3 | 7 | 0 | 20 | |
| 2007 | NYM | A- | 0 | 1 | 2.14 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 21.0 | 87 | 19 | 5 | 5 | 1 | 7 | 0 | 2 | 1 | 0 | 15 | |
| 2007 | NYM | A+ | 0 | 1 | 8.25 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 12.0 | 62 | 21 | 15 | 11 | 5 | 6 | 0 | 1 | 1 | 0 | 4 | |
| 2007 | NYM | MiLB | 0 | 2 | 4.36 | 8 | 7 | 0 | 0 | 0 | 0 | 0 | 33.0 | 149 | 40 | 20 | 16 | 6 | 13 | 0 | 3 | 2 | 0 | 19 | |
| 2010 | KCR | R | 0 | 0 | 3.00 | 14 | 0 | 0 | 0 | 2 | 1 | 0 | 21.0 | 94 | 22 | 10 | 7 | 3 | 8 | 0 | 0 | 1 | 1 | 13 | |
| 2011 | OAK | A+ | 0 | 0 | 54.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 11 | 7 | 7 | 6 | 3 | 2 | 0 | 0 | 0 | 0 | 0 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | NYM | R | 2 | 2 | 4.18 | 9 | 6 | 0 | 0 | 0 | 0 | 0 | 28.0 | 128 | 35 | 13 | 13 | 1 | 10 | 0 | 3 | 7 | 0 | 20 | |
| 2007 | NYM | A- | 0 | 1 | 2.14 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 21.0 | 87 | 19 | 5 | 5 | 1 | 7 | 0 | 2 | 1 | 0 | 15 | |
| 2007 | NYM | A+ | 0 | 1 | 8.25 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 12.0 | 62 | 21 | 15 | 11 | 5 | 6 | 0 | 1 | 1 | 0 | 4 | |
| 2007 | NYM | MiLB | 0 | 2 | 4.36 | 8 | 7 | 0 | 0 | 0 | 0 | 0 | 33.0 | 149 | 40 | 20 | 16 | 6 | 13 | 0 | 3 | 2 | 0 | 19 | |
| 2010 | KCR | R | 0 | 0 | 3.00 | 14 | 0 | 0 | 0 | 2 | 1 | 0 | 21.0 | 94 | 22 | 10 | 7 | 3 | 8 | 0 | 0 | 1 | 1 | 13 | |
| 2011 | OAK | A+ | 0 | 0 | 54.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 11 | 7 | 7 | 6 | 3 | 2 | 0 | 0 | 0 | 0 | 0 |
Minor 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | NYM | R | 6.43 | 3.21 | 2.00 | 0.32 | 15.6% | 7.8% | 7.8% | .304 | 1.61 | .362 | 75.1% | 111 | 105 | 3.83 | ||||
| 2007 | NYM | A- | 6.43 | 3.00 | 2.14 | 0.43 | 17.2% | 8.0% | 9.2% | .244 | 1.24 | .290 | 86.5% | 56 | 104 | 3.96 | ||||
| 2007 | NYM | A+ | 3.00 | 4.50 | 0.67 | 3.75 | 6.5% | 9.7% | -3.2% | .382 | 2.25 | .348 | 61.9% | 202 | 245 | 9.83 | ||||
| 2007 | NYM | MiLB | 5.18 | 3.55 | 1.46 | 1.64 | 12.8% | 8.7% | 4.0% | .301 | 1.61 | .315 | 75.6% | 109 | 155 | 6.09 | ||||
| 2010 | KCR | R | 5.57 | 3.43 | 1.63 | 1.29 | 13.8% | 8.5% | 5.3% | .256 | 1.43 | .271 | 77.5% | 80 | 136 | 5.32 | ||||
| 2011 | OAK | A+ | 0.00 | 18.00 | 0.00 | 27.00 | 0.0% | 18.2% | -18.2% | .778 | 9.00 | .667 | 41.7% | 999 | 980 | 48.95 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | NYM | R | 6.43 | 3.21 | 2.00 | 0.32 | 15.6% | 7.8% | 7.8% | .304 | 1.61 | .362 | 75.1% | 111 | 105 | 3.83 | ||||
| 2007 | NYM | A- | 6.43 | 3.00 | 2.14 | 0.43 | 17.2% | 8.0% | 9.2% | .244 | 1.24 | .290 | 86.5% | 56 | 104 | 3.96 | ||||
| 2007 | NYM | A+ | 3.00 | 4.50 | 0.67 | 3.75 | 6.5% | 9.7% | -3.2% | .382 | 2.25 | .348 | 61.9% | 202 | 245 | 9.83 | ||||
| 2007 | NYM | MiLB | 5.18 | 3.55 | 1.46 | 1.64 | 12.8% | 8.7% | 4.0% | .301 | 1.61 | .315 | 75.6% | 109 | 155 | 6.09 | ||||
| 2010 | KCR | R | 5.57 | 3.43 | 1.63 | 1.29 | 13.8% | 8.5% | 5.3% | .256 | 1.43 | .271 | 77.5% | 80 | 136 | 5.32 | ||||
| 2011 | OAK | A+ | 0.00 | 18.00 | 0.00 | 27.00 | 0.0% | 18.2% | -18.2% | .778 | 9.00 | .667 | 41.7% | 999 | 980 | 48.95 |
