Marcelo Mayer #7

Graduated from Eastlake High School (Calif.)...Named to the Baseball America High School All-American First Team in 2021...Played in the 2020 Perfect Game All-American Classic...Became the second-highest drafted Eastlake HS alumni behind 2000 No. 1 overall pick Adrian Gonzalez, who played with the Red Sox from 2011-12...Was a member of USA Baseball’s 2019 17U National Team Development Program...Prior to being selected by the Red Sox in 2021, had committed to play baseball at the University of Southern California...Participated in the Red Sox Rookie Development Program in January 2025...The program included two workouts daily, seminars focused on assimilation into Major League life on and off the field, and an RBI clinic with the Red Sox Foundation, and a visit to Boston Children’s Hospital...Attended Fenway Fest in January 2025 and 2026, signing autographs and posing for pictures with fans.

2025

Appeared in 44 games for Boston, his Major League debut, making 28 starts at third base and seven at second base...Also played three innings at shortstop...The Red Sox went 27-17 in his 44 games played...Started 35 of Boston’s 51 games while on the roster...13 of his 29 hits went for extra bases (44.8%)...Hit .248 (25-for-101) with a .740 OPS vs. RHP, compared to .154 (4-for-26) vs. LHP...12 of his 13 XBH were off RHP...Also played in 43 games for Triple-A Worcester, batting .271 (46-for-170) with 43 RBI and an .818 OPS...With the WooSox, made 28 starts at shortstop, 10 at second base, four at third base and one as the DH.

2024

Named an Eastern League All-Star...Selected to play in the All-Star Futures Game on 7/13 at Globe Life Field in Arlington, Texas, entering the game defensively in the fifth inning...Ranked fourth among BOS Minor Leaguers in doubles (28) and AVG (.307; min. 200 PA)... Was on the Injured List from 7/31-8/11 and 8/20-9/23.

2023

Batted .236 (74-for-314) with 43 runs scored, 19 2B, 13 HR, 54 RBI and 32 BB between High-A Greenville and Double-A Portland...Made 70 starts at SS and one at 3B...Missed the last month of the season with a left shoulder injury...Named Carolina League Player of the Week for 6/27-7/3/22.

2022

Split his second professional season between Single-A Salem and High-A Greenville, his highest levels...Ranked among Sox minor leaguers in OBP (7th, .399), SLG (6th, .489), OPS (3rd, .888), doubles (T-3rd, 30), walks (3rd, 68), XBH (T-8th, 45) and runs (T-9th, 61)...Recorded 28 multi-hit games...Named Carolina League Player of the Week for 6/27-7/3 after batting .435 (10-for-23) with seven runs, five 2B, two HR and five RBI in five games...Made 79 starts at shortstop between the two levels.

2021

Played 26 games for Rookie-level FCL Red Sox in his professional debut...Made 24 starts at SS.