ATL @ WSHFinal 9-0, Sep 2, 2026
IP 0.2, H 0, R 0, ER 0, BB 0, K 1, HR 0, PC-ST 5-5, ERA 6.54, PC 5
Betting: WSH moneyline lost, run line +1.5 did not cover
BaseballMLBWashington NationalsRelief pitcher
Matt Waldron
Stats, career and game logMatt Waldron is a relief pitcher for the Washington Nationals who made his MLB debut on Jun 24, 2023.
53 MLB games200 strikeouts
Updated
About Matt Waldron
Born on September 26, 1996, in Omaha, Nebraska, Matt Waldron throws and bats right-handed. The Washington Nationals relief pitcher, who wears number 56, made his MLB debut on Jun 24, 2023, with the San Diego Padres. In the 2024 regular season, Waldron made 26 starts for the Padres with a 4.91 ERA and 133 strikeouts in 146.2 innings. Through the 2025 season, Waldron had a 4.86 ERA and 167 strikeouts in 192.2 innings over 36 games.
Agatha Research DeskUpdated Nov 3, 2026Season by season53
Every season, every MLB appearance of his career, newest season first.
| Season | Team | Games | Starts | IP | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|
| 2026 | SD, TOR, WSH | 17 | 4 | 42.2 | 33 | 11 | 6.54 | 1.59 |
| 2025 |  SD | 1 | 1 | 4.2 | 3 | 6 | 7.71 | 2.57 |
| 2024 | SD | 27 | 26 | 146.2 | 133 | 40 | 4.91 | 1.26 |
| 2023 | SD | 8 | 6 | 41.1 | 31 | 12 | 4.35 | 1.23 |
| Career | 53 | 37 | 235.1 | 200 | 69 | 5.16 | 1.34 |
How he is doing now
2026 pitching6.54 ERA42.2 innings, 33 strikeouts, 1.59 WHIP
Nationals77-852026 regular season
Last game0.2 IP, 1 K, 0 ERSep 2 vs Braves
Injury status
No active flag. Latest report 60-Day-IL (59d ago), no longer on the injury report.
Game log, 2026
MIA @ WSHFinal 3-6, Aug 31, 2026
IP 3.0, H 5, R 0, ER 0, BB 0, K 0, HR 0, PC-ST 41-32, ERA 6.64, PC 41
Betting: WSH moneyline won, run line +1.5 covered
COL @ WSHFinal 13-1, Aug 26, 2026
IP 2.0, H 2, R 0, ER 0, BB 1, K 1, HR 0, PC-ST 28-21, ERA 7.15, PC 28
Betting: WSH moneyline lost, run line -1.5 did not cover
TOR @ TBFinal 10-5, Aug 18, 2026
IP 2.0, H 4, R 2, ER 2, BB 0, K 1, HR 0, PC-ST 26-17, ERA 7.54, PC 26
Betting: TOR moneyline won, run line +1.5 covered
Show all 5 games
TOR @ PHIFinal 7-5, Aug 8, 2026
IP 1.0, H 0, R 0, ER 0, BB 1, K 0, HR 0, PC-ST 21-12, ERA 6.75, PC 21
Betting: TOR moneyline won, run line +1.5 covered
Box score lines from ESPN.
Betting: his team's result at the closing moneyline and run line most of our sportsbooks closed at (3 books or more).
Did you know?!
A 10-strikeout start
On May 17, 2024, Waldron allowed 1 earned run on 5 hits over 5.2 innings, striking out 10 in a 3-1 win at the Atlanta Braves.
Career
3years2023 to 2026
- 2023MLB debutSan Diego Padres
- 2024Best start5.2 IP, 10 K, 1 ER, vs Braves
- 2024Best season146.2 IP, 133 K, 4.91 ERA in 27 games
- Sep 2, 2026Latest game0.2 IP, 1 K, 0 ER vs Braves
Regular season
53 games
235.1 IP, 200 K, 5.16 ERA
MLB debut
2023 seasonSan Diego Padres
Latest game
Sep 2, 2026: 0.2 IP, 1 K, 0 ERBraves 9, Nationals 0
Most often against
The teams he has faced most, with his teams' record and his line against each.
Arizona Diamondbacks5 games
1-4his teams
His line: 24.0 IP, 20 K, 7.50 ERA
Last met Sep 29, 2024
Colorado Rockies5 games
3-2his teams
His line: 24.1 IP, 22 K, 5.55 ERA
Last met Aug 26, 2026
Philadelphia Phillies5 games
3-2his teams
His line: 18.1 IP, 13 K, 3.93 ERA
Last met Aug 8, 2026
Atlanta Braves4 games
1-3his teams
His line: 15.1 IP, 12 K, 3.52 ERA
Last met Sep 2, 2026
Miami Marlins4 games
4-0his teams
His line: 16.1 IP, 14 K, 3.31 ERA
Last met Aug 31, 2026
San Francisco Giants4 games
2-2his teams
His line: 21.1 IP, 18 K, 1.69 ERA
Last met May 6, 2026
Injury history
ESPN's injury reports, newest first.
- Sep 12, 202660-Day-IL Chest
The Nationals placed Waldron on the 15-day injured list Tuesday, retroactive to Saturday, with chest inflammation.
ESPN / WSH
- Sep 12, 202660-Day-IL Chest
Waldron is dealing with a chest inflammation and has been placed on the 60-day injured list.
sdio / WSH
- Sep 8, 202615-Day-IL Chest
Waldron is dealing with a chest inflammation and has been placed on the 15-day injured list.
sdio / WSH
Sources and updates
Stats, scores and injury reports come from Agatha's own records: the SABR Lahman Baseball Database for the seasons through 2025, MLB's own box scores, its transactions and ESPN's injury reports.
Updated Nov 3, 2026, 7:39 PM ET. Results and form refresh after every game; biography facts are checked weekly.