Red Sox trade Marcelo Mayer to Giants for Erik Miller
2 sources • 1 min read • Latest: Aug 3, 2026, 10:01 PM
Last updated Aug 3, 2026
The Boston Red Sox have traded infielder Marcelo Mayer to the San Francisco Giants in exchange for left-handed reliever Erik Miller. Mayer, 23, a former top prospect, struggled in the majors with a.223/.278/.346 slash line and is currently on the injured list with a forearm issue. This trade comes as the Red Sox aim to bolster their playoff chances following a recent successful stretch, while the Giants seek to rejuvenate Mayer’s career after he failed to find success in Boston. Miller, 28, has a solid track record as a reliever and is under team control through 2029.
- •Mayer has a career batting average of.220 with injuries hampering progress.
- •Miller boasts a 2.15 ERA over the last two seasons in the bullpen.
- •Red Sox are 23-4 since July 1 and aiming for playoff contention.
- •Mayer’s trade marks a significant change for a former top prospect.
- •Miller is under team control through the 2029 season.
- 10:01 PMCBS MLB — Marcelo Mayer trade grades: Giants banking on change of scenery to help former top Red Sox prospect
"Mayer failed to catch on in the majors, but he's still young
Sources
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