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Marcelo Mayer
2B
SF
2026 season
- GP
- 76
- AVG
- .209
- HR
- 3
- RBI
- 22
- R
- 19
- SB
- 3
- OPS
- .573
Game log
| Date | Opp | Result | AB | H | R | HR | RBI | SB | BB | K |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 27 | vs LAD | L 1-5 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| Sep 26 | vs LAD | L 3-4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sep 25 | vs LAD | L 0-2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Sep 23 | vs MIN | L 2-4 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| Sep 22 | vs MIN | L 2-3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sep 21 | vs MIN | W 5-2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| Jun 25 | vs NYY | W 6-3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Jun 24 | @COL | L 6-8 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jun 22 | @COL | L 2-3 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jun 21 | @SEA | L 1-3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Jun 20 | @SEA | W 5-1 | 4 | 1 | 0 | 0 | 1 | 0 | 0 | 2 |
| Jun 19 | @SEA | W 6-2 | 4 | 2 | 0 | 0 | 3 | 0 | 0 | 1 |
| Jun 17 | vs TOR | L 0-3 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Jun 16 | vs TOR | L 1-6 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| Jun 14 | vs TEX | L 4-6 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |
| Jun 13 | vs TEX | W 6-3 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 2 |
| Jun 12 | vs TEX | W 10-1 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Jun 9 | @TB | L 3-4 | 3 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
| Jun 8 | @TB | L 1-3 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Jun 7 | @NYY | L 1-6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jun 5 | @NYY | W 5-3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Jun 3 | vs BAL | W 8-1 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jun 2 | vs BAL | L 2-4 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| May 31 | @CLE | W 9-4 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| May 30 | @CLE | W 9-1 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 |
| May 29 | @CLE | L 3-4 | 4 | 2 | 1 | 0 | 1 | 0 | 0 | 1 |
| May 28 | vs ATL | L 2-10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| May 27 | vs ATL | W 8-0 | 4 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
| May 26 | vs ATL | L 6-7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| May 24 | vs MIN | L 5-6 | 4 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |
| May 23 | vs MIN | L 2-4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| May 22 | vs MIN | L 6-8 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| May 20 | @KC | W 4-3 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| May 19 | @KC | W 7-1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| May 18 | @KC | W 3-1 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| May 17 | @ATL | L 1-8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| May 16 | @ATL | W 3-2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| May 15 | @ATL | L 2-3 | 3 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| May 14 | vs PHI | L 1-3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| May 13 | vs PHI | W 3-1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| May 12 | vs PHI | L 1-2 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| May 10 | vs TB | L 1-4 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| May 8 | vs TB | W 2-0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| May 7 | vs TB | L 4-8 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| May 6 | @DET | W 4-0 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 2 |
| May 4 | @DET | W 5-4 | 4 | 2 | 0 | 0 | 1 | 0 | 0 | 1 |
| May 3 | vs HOU | L 1-3 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
| May 2 | vs HOU | L 3-6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| May 1 | vs HOU | W 3-1 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| Apr 29 | @TOR | L 1-8 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr 28 | @TOR | L 0-3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr 27 | @TOR | W 5-0 | 3 | 2 | 1 | 0 | 1 | 0 | 1 | 0 |
| Apr 26 | @BAL | W 5-3 | 4 | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
| Apr 25 | @BAL | W 17-1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr 24 | @BAL | L 3-10 | 4 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
| Apr 23 | vs NYY | L 2-4 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Apr 21 | vs NYY | L 0-4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr 20 | vs DET | W 8-6 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Apr 19 | vs DET | L 2-6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr 17 | vs DET | W 1-0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Apr 15 | @MIN | W 9-5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr 13 | @MIN | L 6-13 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Apr 12 | - | - | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr 11 | - | - | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 |
| Apr 10 | - | - | 4 | 1 | 0 | 0 | 0 | 1 | 0 | 1 |
| Apr 7 | - | - | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Apr 6 | - | - | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr 5 | - | - | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Apr 4 | - | - | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 2 |
| Apr 3 | - | - | 2 | 2 | 2 | 1 | 2 | 0 | 0 | 0 |
| Apr 1 | - | - | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Mar 31 | - | - | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| Mar 30 | - | - | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Mar 29 | - | - | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Mar 28 | - | - | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 3 |
| Mar 26 | - | - | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
| 2025 season | ||||||||||
| Jul 23 | - | - | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| Jul 21 | - | - | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Jul 20 | - | - | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jul 18 | - | - | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 1 |
| Jul 13 | - | - | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 1 |
| Jul 12 | - | - | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Jul 11 | - | - | 4 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |
| Jul 10 | - | - | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
| Jul 9 | - | - | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jul 8 | - | - | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jul 7 | - | - | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Jul 6 | - | - | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jul 5 | - | - | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jul 4 | - | - | 5 | 2 | 1 | 0 | 1 | 0 | 0 | 2 |
| Jul 2 | - | - | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 1 |
| Jul 1 | - | - | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Jun 30 | - | - | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 1 |
| Jun 25 | - | - | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Jun 24 | - | - | 4 | 3 | 1 | 0 | 1 | 0 | 0 | 1 |
| Jun 23 | - | - | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Jun 22 | - | - | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jun 21 | - | - | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Jun 20 | - | - | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Jun 18 | - | - | 3 | 1 | 2 | 1 | 1 | 0 | 1 | 1 |
Latest news
Mayer started at designated hitter and went 0-for-4 in Monday's 5-2 win over the Twins.
Mayer came up empty at the plate, striking out in all four at-bats in his team debut. Monday marked the 23-year-old's first big-league action since June 25. He initially dealt with a left forearm stress reaction with the Red Sox before suffering a bone bruise in his right foot during rehab after being traded to the Giants. In 232 big-league plate appearances in 2026, Mayer is hitting .215/.277/.306 with three homers, 22 RBI, 19 runs and three stolen bases.
RotoWire via ESPN · Sep 22
The Giants activated Mayer (forearm/foot) from the 10-day injured list Monday, Alex Pavlovic of NBC Sports Bay Area reports.
Mayer has not played in the majors since late June, when he suffered a left forearm stress reaction while still in the Red Sox organization. He was also forced to slow his rehab due to a bone bruise in his right foot, but the infielder seems to have put both injuries in the rear-view mirror and will make his Giants debut at designated hitter Monday. Mayer has slashed .223/.278/.346 in 114 contests thus far at the big-league level.
RotoWire via ESPN · Sep 21
Giants manager Tony Vitello said Monday that "there's a chance" Mayer (forearm/foot) returns before the end of the season, Alex Pavlovic of NBC Sports Bay Area reports.
Mayer had seemed close to returning from his left forearm stress reaction in late August, only to suffer a setback when he developed a bone bruise in his right foot. Vitello noted that Mayer is close to resuming his rehab assignment, though he didn't offer a specific date. Acquired from the Red Sox at the trade deadline, Mayer will be making his Giants debut when he sees action.
RotoWire via ESPN · Sep 7
Mayer (forearm) had his rehab assignment paused due to a bone bruise in his right foot, Justice delos Santos of The San Jose Mercury News reports.
Mayer will rest through the weekend before being re-evaluated early next week. He initially landed on the 10-day injured list in late June with a left forearm stress reaction while still with the Red Sox, before getting sent west at the trade deadline. The 23-year-old has played four rehab games with Triple-A Sacramento, going 6-for-17 with one home run and a 2:9 BB:K. Mayer had appeared in line to make his Giants debut early next week, but that plan is likely on hold.
RotoWire via ESPN · Aug 21
Giants manager Tony Vitello indicated Wednesday that Mayer (forearm) could return from the 10-day injured list and make his team debut Monday versus the Reds, Andrew Baggarly of The Athletic reports.
Vitello had previously floated the possibility of Mayer being activated from the 10-day injured list this weekend, and while a return to action for the team's series in Boston hasn't been ruled out, the Giants seem to be leaning toward waiting until the start of a homestand Monday to reinstate the infielder. Mayer has been out since late June with a left forearm stress reaction but has played four rehab games with Triple-A Sacramento, going 6-for-17 with one home run and a 2:9 BB:K while making three starts at second base and one at third base. Once activated, Mayer should be in line for an everyday role in the San Francisco infield.
RotoWire via ESPN · Aug 19
Giants manager Tony Vitello said that while Mayer (forearm) isn't expected to come off the 10-day injured list for Tuesday's game against the Guardians, the infielder could be reinstated before the end of that three-game series, Alex Pavlovic of NBC Sports Bay Area reports.
Acquired from the Red Sox on Aug. 3, Mayer last played June 25 before being shut down due to a left forearm stress reaction. The 23-year-old looks to be closing in on his Giants debut, however, going 4-for-8 with a solo home run, a double and a walk since beginning a rehab stint with Triple-A Sacramento on Thursday. Mayer is expected to take over as the starting second baseman once he's healthy.
RotoWire via ESPN · Aug 16