The Red Sox are calling up top prospect Marcelo Mayer afterAlex Bregman was injured in Friday's gameagainst the Orioles,the team announced Saturday. Mayer is one of the top prospects in baseball, and Boston could use a boost with Bregman's near future uncertain. He left Friday's game with quad tightness and manager Alex Cora didn't have more information after the game. With Bregman out, Katie Morrison O'Day of MassLivereportedthat teammates were congratulating Meyer in the Worcester Red Sox clubhouse on Saturday. Boston posted video of Mayer getting the call on social media. Marcelo gets the call:pic.twitter.com/jVZDqRxKjP — Red Sox (@RedSox)May 24, 2025 Shortly after, MassLive's Christopher Smithconfirmedthe 22-year-old was en route to Fenway Park. However, that trip was delayed for a somewhat relatable reason: Mayer's car keys have been lost for weeks and he needed a ride to Fenway from a Worcester clubhouse attendant. We're waiting for Marcelo Mayer to leave Polar Park but apparently he cannot find his car keys. Here is the group waiting to send him offpic.twitter.com/Aeu8nqzoyj — Katie Morrison-O'Day (@KatieMo61)May 24, 2025 Marcelo Mayer lost his car keys a few weeks ago and hadn't gotten new ones yet, so a WooSox clubbie had to drive him to Fenway for his MLB debut. — Gabrielle Starr (@gfstarr1)May 24, 2025 Meyer's big opportunity comes after he batted 271/.347/.471 in 43 appearances for Triple-A affiliate Worcester this season. He also became the hit leader in the International League by blasting nine home runs, five doubles and a triple with 43 RBI. His impressive performances led Meyer to be ranked as Boston's second-best prospect, behind Roman Anthony, and eighth-best in baseball onMLB Pipeline's rankings. The Chula Vista, California, native played collegiate baseball at USC and was selected by the Red Sox with the fourth pick in the 2021 MLB Draft. Meyer could debut in the second game of a doubleheader against the Baltimore Orioles at 6:35 p.m. ET on Saturday. The Red Sox are 26-26 and sit in third place in the AL East after a 19-5 loss on Friday.
