DJ Herz
Pitcher · Career Stats, Bio & Records (2024-2026)
DJ Herz is a pitcher who has played in Major League Baseball since 2024 for the Washington Nationals, a span of 3 seasons. Across 21 career appearances, he has gone 4-10 with a 4.61 ERA and 112 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 835.7.
- 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 / L
- Height / Weight
- 6'2" / 197 lb
- MLB Debut
- 2024-06-04
- Jersey
- #77
Full name: Davidjohn Patrick Herz
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | WAS | NL | 4 | 9 | 19 | 19 | 0 | 0 | 0 | 88.2 | 76 | 41 | 36 | 106 | 4.16 | 4.08 (-2%) | 835.7 |
| 2026 | WSH | NL | 0 | 1 | 2 | 2 | 0 | 0 | 0 | 7.0 | 11 | 8 | 3 | 6 | 10.29 | — | - |
| Career · 2 seasons | 4 | 10 | 21 | 21 | 0 | 0 | 0 | 95.2 | 87 | 49 | 39 | 112 | 4.61 | — | 836 | ||
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.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | WAS | NL | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 1 season | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | 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 (38 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 12 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 7 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 12 | 57.1 | 49 | 23 | 22 | 69 | 3.61 |
| Away | 7 | 31.1 | 27 | 18 | 14 | 37 | 5.17 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024-09-25 | WAS | KCR | L | 5.0 | 3 | 1 | 1 | 3 | 3 | 0 |
| 2024-09-18 | WAS | NYN | L | 3.1 | 6 | 7 | 7 | 3 | 5 | 0 |
| 2024-09-13 | WAS | MIA | W | 5.0 | 4 | 1 | 1 | 1 | 5 | 1 |
| 2024-09-07 | WAS | PIT | W | 5.0 | 0 | 0 | 0 | 3 | 5 | 0 |
| 2024-08-31 | WAS | CHC | L | 4.2 | 3 | 4 | 4 | 2 | 5 | 0 |
| 2024-08-25 | WAS | ATL | — | 5.0 | 1 | 0 | 0 | 3 | 8 | 0 |
| 2024-08-20 | WAS | COL | L | 5.2 | 6 | 3 | 2 | 2 | 7 | 0 |
| 2024-08-14 | WAS | BAL | L | 6.0 | 4 | 2 | 2 | 2 | 5 | 1 |
| 2024-08-08 | WAS | SFG | — | 2.2 | 4 | 2 | 2 | 4 | 4 | 0 |
| 2024-08-03 | WAS | MIL | W | 5.0 | 2 | 1 | 0 | 1 | 6 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 19 |
DJ Herz: the record in brief
DJ Herz made a major league debut on June 4, 2024 and is still active, so the totals on this page keep changing. All of the seasons listed were played for the Washington Nationals. Herz played primarily as a pitcher and batted right-handed and threw left-handed. Born on January 4, 2001, in Fayetteville, NC, USA, Herz was listed at 6'2" and 197 pounds. Herz's full given name, per the bio, is Davidjohn Patrick Herz.
Herz's career pitching line is 4 wins, 10 losses and a 4.61 ERA over 21 appearances. The totals include 112 strikeouts. Against a 4.13 league ERA for the same seasons, the 4.61 mark was 11.7% worse. In 2024, one of the busiest seasons, Herz posted a 4.16 ERA; the league figure that year was 4.08. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Herz's career adds up to 835.7.
Herz appears at one position only: pitcher, in 19 games. On the mound, Herz's fielding totals are 0 putouts, 5 assists and 0 errors.
The game-log section draws on 38 games of Retrosheet box scores for Herz.
Frequently Asked Questions about DJ Herz
- What years did DJ Herz play?
- DJ Herz played in Major League Baseball from 2024 to 2026.
- Was DJ Herz a pitcher?
- Yes. DJ Herz pitched in the major leagues, recording 4 wins and 112 strikeouts.
- What teams has DJ Herz played for?
- DJ Herz has played for one team, the Washington Nationals (2024, 2026).
- What are DJ Herz's career stats?
- In 21 games, DJ Herz has gone 4-10 with a 4.61 ERA, 112 strikeouts, and 95.2 innings pitched.
- What position does DJ Herz play?
- DJ Herz plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is DJ Herz and how much does he weigh?
- DJ Herz is listed at 6 feet 2 inches and 197 pounds.
- What number does DJ Herz wear?
- DJ Herz wears number 77, according to MLB's 2026 roster data.
- What was DJ Herz's career ERA?
- DJ Herz finished with a 4.61 career ERA, going 4-10 with 112 strikeouts.
- How many strikeouts did DJ Herz have?
- DJ Herz recorded 112 career strikeouts.