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Reiver Sanmartin
P
SF
2026 season
- GP
- 24
- W-L
- 3-0
- ERA
- 4.22
- WHIP
- 1.36
- K
- 16
- IP
- 21.1
Game log
| Date | Opp | Result | Dec | IP | H | ER | BB | K |
|---|---|---|---|---|---|---|---|---|
| Sep 16 | @STL | W 6-5 | W | 0.1 | 0 | 0 | 0 | 0 |
| Sep 14 | @STL | L 1-2 | - | 0.0 | 2 | 0 | 1 | 0 |
| Sep 12 | vs SD | L 6-7 | - | 0.1 | 0 | 0 | 0 | 0 |
| Sep 8 | vs STL | W 2-1 | - | 1.0 | 1 | 0 | 0 | 0 |
| Sep 7 | vs STL | W 5-4 | - | 0.1 | 0 | 0 | 0 | 1 |
| Sep 5 | @NYM | W 9-5 | - | 1.1 | 1 | 1 | 0 | 1 |
| Sep 3 | @PIT | L 2-5 | - | 1.0 | 1 | 1 | 1 | 0 |
| Sep 2 | @PIT | W 5-4 | - | 0.2 | 1 | 0 | 1 | 0 |
| Aug 31 | @ATL | W 7-3 | - | 1.2 | 0 | 0 | 0 | 2 |
| Aug 29 | vs AZ | W 7-2 | W | 0.1 | 0 | 0 | 0 | 1 |
| Aug 28 | vs AZ | L 6-10 | - | 1.0 | 0 | 0 | 0 | 1 |
| Aug 26 | vs CIN | L 9-10 | - | 0.2 | 0 | 0 | 0 | 0 |
| Aug 24 | vs CIN | W 5-0 | - | 1.0 | 0 | 0 | 0 | 0 |
| Aug 21 | @BOS | L 4-6 | - | 2.0 | 1 | 0 | 1 | 0 |
| Aug 18 | @CLE | L 1-8 | - | 2.0 | 2 | 0 | 1 | 2 |
| Aug 16 | vs COL | L 7-13 | - | 0.2 | 2 | 1 | 0 | 0 |
| Aug 14 | vs COL | L 2-5 | - | 0.1 | 0 | 0 | 0 | 1 |
| Aug 12 | vs HOU | L 1-2 | - | 1.0 | 0 | 0 | 0 | 2 |
| Aug 11 | vs HOU | W 4-1 | - | 0.1 | 0 | 0 | 0 | 0 |
| Aug 8 | vs DET | L 0-8 | - | 0.2 | 4 | 3 | 0 | 0 |
| Aug 4 | @TEX | L 4-5 | - | 0.2 | 3 | 1 | 1 | 1 |
| Aug 3 | @TEX | W 5-1 | - | 0.2 | 0 | 0 | 0 | 0 |
| Jun 13 | vs CHC | L 1-6 | - | 1.1 | 2 | 2 | 1 | 2 |
| Jun 10 | vs WSH | W 11-10 | W | 2.0 | 2 | 1 | 0 | 2 |
| 2025 season | ||||||||
| Sep 2 | vs TOR | L 9-12 | - | 1.2 | 2 | 0 | 1 | 2 |
| 2023 season | ||||||||
| May 7 | vs CWS | L 4-17 | - | 1.1 | 3 | 3 | 1 | 1 |
| May 3 | @SD | L 1-7 | - | 0.1 | 2 | 2 | 0 | 0 |
| May 1 | @SD | L 3-8 | - | 1.0 | 3 | 2 | 2 | 2 |
| Apr 25 | vs TEX | W 7-6 | W | 1.0 | 0 | 0 | 0 | 1 |
| Apr 23 | @PIT | L 0-2 | - | 0.1 | 0 | 0 | 2 | 1 |
| Apr 21 | @PIT | L 2-4 | - | 1.1 | 0 | 0 | 0 | 1 |
| Apr 19 | vs TB | L 0-8 | - | 1.0 | 0 | 0 | 0 | 0 |
| Apr 16 | vs PHI | L 3-14 | - | 2.0 | 1 | 1 | 1 | 1 |
| Apr 14 | vs PHI | L 3-8 | - | 1.2 | 2 | 0 | 1 | 1 |
| Apr 10 | @ATL | L 4-5 | - | 1.1 | 2 | 1 | 1 | 2 |
| Apr 7 | @PHI | L 2-5 | - | 1.2 | 2 | 1 | 0 | 1 |
| Apr 4 | vs CHC | L 5-12 | - | 0.0 | 2 | 1 | 1 | 0 |
| Apr 3 | vs CHC | W 7-6 | - | 0.2 | 0 | 0 | 1 | 2 |
| Apr 1 | vs PIT | W 6-2 | - | 0.1 | 0 | 0 | 0 | 0 |
| 2022 season | ||||||||
| Oct 5 | vs CHC | L 2-15 | - | 1.0 | 2 | 2 | 1 | 1 |
| Oct 2 | @CHC | L 1-8 | - | 2.0 | 0 | 0 | 1 | 0 |
| Sep 28 | @PIT | L 3-4 | - | 1.0 | 0 | 0 | 0 | 1 |
| Sep 26 | @PIT | L 3-8 | - | 0.1 | 1 | 1 | 1 | 1 |
| Sep 21 | vs BOS | W 5-1 | - | 1.0 | 1 | 0 | 0 | 0 |
| Sep 20 | vs BOS | L 3-5 | - | 0.2 | 0 | 0 | 0 | 1 |
| Sep 17 | @STL | L 0-1 | - | 1.1 | 0 | 0 | 0 | 3 |
| Sep 16 | @STL | L 5-6 | - | 0.2 | 1 | 1 | 1 | 0 |
| Sep 13 | vs PIT | L 0-1 | - | 2.1 | 0 | 0 | 1 | 3 |
| Sep 10 | @MIL | L 1-5 | - | 0.2 | 1 | 0 | 2 | 1 |
| Sep 6 | @CHC | L 3-9 | - | 0.2 | 0 | 1 | 1 | 0 |
| Aug 31 | vs STL | L 3-5 | - | 2.0 | 0 | 0 | 2 | 2 |
| Aug 29 | vs STL | L 4-13 | - | 1.0 | 1 | 1 | 1 | 2 |
| Aug 24 | @PHI | L 5-7 | - | 1.2 | 4 | 1 | 0 | 0 |
| Aug 21 | @PIT | W 9-5 | - | 0.1 | 0 | 0 | 0 | 1 |
| Aug 19 | @PIT | L 4-5 | - | 1.0 | 0 | 0 | 0 | 1 |
| Aug 16 | vs PHI | L 4-11 | - | 1.1 | 7 | 5 | 0 | 3 |
| Aug 14 | vs CHC | W 8-5 | - | 0.1 | 2 | 0 | 0 | 0 |
| Aug 10 | @NYM | L 2-10 | - | 1.0 | 2 | 0 | 1 | 1 |
| Aug 7 | @MIL | W 4-2 | - | 0.1 | 0 | 0 | 0 | 1 |
| Aug 6 | @MIL | W 7-5 | - | 0.1 | 1 | 0 | 0 | 0 |
| Aug 5 | @MIL | L 1-5 | - | 0.1 | 0 | 0 | 1 | 0 |
| Aug 1 | @MIA | W 3-1 | - | 0.2 | 1 | 0 | 0 | 1 |
| Jul 30 | vs BAL | W 8-2 | - | 1.0 | 0 | 0 | 0 | 2 |
| Jul 29 | vs BAL | L 2-6 | - | 0.2 | 1 | 0 | 0 | 0 |
| Jul 24 | vs STL | W 6-3 | - | 1.0 | 1 | 0 | 1 | 0 |
| Jul 22 | vs STL | W 9-5 | W | 0.1 | 0 | 0 | 0 | 1 |
| Jul 16 | @STL | L 3-11 | - | 1.0 | 1 | 0 | 0 | 0 |
| Jul 14 | @NYY | W 7-6 | W | 1.0 | 1 | 1 | 1 | 0 |
| Jul 12 | @NYY | W 4-3 | W | 1.0 | 0 | 0 | 1 | 0 |
| Jul 7 | vs PIT | W 5-1 | W | 2.2 | 0 | 0 | 0 | 3 |
| Jul 6 | vs NYM | L 3-8 | - | 1.1 | 0 | 0 | 0 | 0 |
| Jul 4 | vs NYM | L 4-7 | - | 0.2 | 1 | 0 | 1 | 1 |
| Jul 2 | vs ATL | L 1-4 | - | 0.2 | 1 | 0 | 0 | 0 |
| Jun 30 | @CHC | L 7-15 | - | 2.2 | 3 | 0 | 1 | 1 |
| Jun 26 | @SF | W 10-3 | - | 1.0 | 0 | 0 | 1 | 1 |
| Jun 21 | vs LAD | L 2-8 | - | 1.1 | 2 | 2 | 0 | 2 |
| Jun 18 | vs MIL | L 3-7 | - | 1.0 | 1 | 0 | 1 | 2 |
| Jun 15 | @AZ | L 4-7 | - | 0.2 | 1 | 0 | 0 | 0 |
| Jun 13 | @AZ | W 5-4 | - | 0.2 | 1 | 0 | 0 | 1 |
| May 1 | @COL | L 1-10 | L | 0.2 | 6 | 6 | 2 | 0 |
| Apr 26 | vs SD | L 6-9 | L | 3.0 | 8 | 9 | 1 | 2 |
| Apr 19 | @SD | L 2-6 | L | 5.1 | 8 | 5 | 1 | 4 |
| Apr 14 | @LAD | L 3-9 | - | 5.0 | 2 | 0 | 0 | 2 |
| Apr 8 | @ATL | L 6-7 | L | 2.1 | 4 | 5 | 5 | 2 |
Latest news
The Nationals acquired Sanmartin from the Giants on Friday in exchange for Robert Cranz, Spencer Nusbaum of The Athletic reports.
Sanmartin was removed from the Giants' 40-man roster earlier this week, and now he's headed to a new organization. The 30-year-old holds a career 5.37 ERA, 18.8 percent strikeout rate and 10.3 percent walk rate over parts of five major-league seasons, but he has induced grounders at a 55.1 percent clip over that span.
RotoWire via ESPN · 8h ago
Sanmartin was designated for assignment by the Giants on Monday.
Sanmartin will head to waivers, allowing the Giants to clear a spot on the 40-man roster. He appeared in 24 games during the 2026 season, posting a 4.22 ERA and 1.36 WHIP with a 16:7 K:BB across 21.1 innings.
RotoWire via ESPN · 4d ago
The Giants placed Sanmartin on the 15-day injured list Saturday, retroactive to Sept. 17, with a right oblique strain, Justice delos Santos of The San Jose Mercury News reports.
Sanmartin pitched well during his latest stint in the majors, posting a 1.54 ERA and 0.94 WHIP over 11.2 innings spanning 14 appearances after his Aug. 20 recall. Unfortunately for the lefty, this injury will end his 2026 season. Sam Hentges (forearm) replaces Sanmartin on the roster and in the San Francisco bullpen.
RotoWire via ESPN · Sep 19
The Giants recalled Sanmartin from Triple-A Sacramento on Thursday.
Sanmartin was just sent down Wednesday, but he'll return a day later to take the roster spot of the injured Keaton Winn (elbow). The left-handed Sanmartin has logged a 7.11 ERA, 2.05 WHIP and 6:2 K:BB over 6.1 innings during his time in San Francisco this season.
RotoWire via ESPN · Aug 20
The Giants optioned Sanmartin to Triple-A Sacramento on Wednesday.
Sanmartin will be squeezed off the 26-man active roster after the Giants needed to clear a spot for lefty Matt Wilkinson, who was called up from Triple-A to start Wednesday's game in Cleveland. After being summoned from Sacramento on Aug. 3, Sanmartin made eight relief appearances during his latest stint with the Giants, pitching to a 7.11 ERA, 2.05 WHIP and 6:2 K:BB over 6.1 innings.
RotoWire via ESPN · Aug 19
Sanmartin struck out two across one scoreless inning in Wednesday's 2-1 loss to the Astros.
Sanmartin entered in the ninth inning, striking out two of the three batters he faced while throwing nine of his 15 pitches for strikes. He's logged three scoreless outings in seven appearances this season, posting a 9.45 ERA, 1.95 WHIP and 7:2 K:BB across 6.2 innings.
RotoWire via ESPN · Aug 13