J. D. Hammer
Pitcher · Career Stats, Bio & Records (2019-2021)
J. D. Hammer was a pitcher who played in Major League Baseball from 2019 to 2021 for the Philadelphia Phillies, a span of 3 seasons. Across 40 career appearances, he went 2-1 with a 4.38 ERA and 35 strikeouts.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- R / R
- Height / Weight
- 6'3" / 202 lb
- MLB Debut
- 2019-05-26
- Last Game
- 2021-09-16
Full name: John Dale Hammer
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | PHI | NL | 1 | 0 | 20 | 0 | 0 | 0 | 0 | 19.0 | 15 | 8 | 12 | 13 | 3.79 | 4.51 (+16%) | -286.8 |
| 2021 | PHI | NL | 1 | 1 | 20 | 0 | 0 | 0 | 0 | 20.0 | 21 | 11 | 11 | 22 | 4.95 | 4.27 (-16%) | -302.2 |
| Career · 2 seasons | 2 | 1 | 40 | 0 | 0 | 0 | 0 | 39.0 | 36 | 19 | 23 | 35 | 4.38 | — | -589 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Career Batting Statistics
| G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | .000 | .000 | .000 | 0 |
Career AVG .000 vs. league average .248 across their career seasons — 100.0% below league average.
Career OBP .000 vs. league average .320 across their career seasons — 100.0% below league average.
Career SLG .000 vs. league average .423 across their career seasons — 100.0% below league average.
Career OPS .000 vs. league average .743 across their career seasons — 100.0% below league average.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | PHI | NL | 20 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2021 | PHI | NL | 20 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 40 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | — | — | — | — | 0 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (80 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 24 | 2 | 0 | 0 | 0 | 0 | .000 |
| Away | 16 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 24 | 24.1 | 25 | 13 | 13 | 20 | 4.81 |
| Away | 16 | 14.2 | 11 | 6 | 10 | 15 | 3.68 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-09-16 | PHI | CHC | — | 0.1 | 4 | 5 | 5 | 1 | 1 | 1 |
| 2021-09-14 | PHI | CHC | — | 1.0 | 0 | 0 | 0 | 2 | 1 | 0 |
| 2021-09-10 | PHI | COL | — | 0.2 | 1 | 1 | 1 | 0 | 1 | 1 |
| 2021-09-09 | PHI | COL | — | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2021-09-03 | PHI | MIA | — | 0.1 | 2 | 2 | 2 | 2 | 0 | 0 |
| 2021-09-02 | PHI | WAS | — | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 |
| 2021-08-29 | PHI | AZ | — | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021-08-26 | PHI | AZ | — | 1.2 | 3 | 2 | 2 | 1 | 1 | 0 |
| 2021-08-24 | PHI | TBR | — | 1.0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 2021-08-17 | PHI | AZ | — | 2.0 | 0 | 0 | 0 | 0 | 4 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 40 |
J. D. Hammer: the record in brief
May 26, 2019 and September 16, 2021 bracket J. D. Hammer's time in the majors: the debut and the last game on record. Hammer's only club in the season tables is the Philadelphia Phillies. At 202 pounds on a 6-foot-3 frame, Hammer is listed as a pitcher. Hammer both batted and threw right-handed, per the bio block. The recorded birth is July 12, 1994, in Fort Collins, CO, USA. The given name on file is John Dale Hammer.
Hammer's career pitching line is 2 wins, 1 loss and a 4.38 ERA over 40 appearances. Hammer had 35 strikeouts. Hammer's 4.38 ERA was close to the 4.39 league figure for those seasons. 2019 was Hammer's sharpest full season, a 3.79 ERA against the league's 4.51.
The game-log section draws on 80 games of Retrosheet box scores for Hammer.
Hammer appears at one position only: pitcher, in 40 games. The fielding table credits Hammer with 2 putouts, 2 assists and 1 errors on the mound.
Frequently Asked Questions about J. D. Hammer
- What years did J. D. Hammer play?
- J. D. Hammer played in Major League Baseball from 2019 to 2021.
- Was J. D. Hammer a pitcher?
- Yes. J. D. Hammer pitched in the major leagues, recording 2 wins and 35 strikeouts.
- How many home runs did J. D. Hammer hit?
- J. D. Hammer hit 0 career home runs.
- What teams did J. D. Hammer play for?
- J. D. Hammer played for one team, the Philadelphia Phillies (2019, 2021).
- What were J. D. Hammer's career stats?
- In 40 games, J. D. Hammer went 2-1 with a 4.38 ERA, 35 strikeouts, and 39.0 innings pitched.
- What position did J. D. Hammer play?
- J. D. Hammer played primarily as a pitcher, the position where he appeared in the most games.
- How tall was J. D. Hammer and how much did he weigh?
- J. D. Hammer was listed at 6 feet 3 inches and 202 pounds.
- What was J. D. Hammer's career ERA?
- J. D. Hammer finished with a 4.38 career ERA, going 2-1 with 35 strikeouts.
- How many strikeouts did J. D. Hammer have?
- J. D. Hammer recorded 35 career strikeouts.
- Is J. D. Hammer in the Hall of Fame?
- No. J. D. Hammer has not been inducted into the National Baseball Hall of Fame.