Marcelo Mayer Made It to Fenway Park for Big League Debut After Losing His Car Keys

We've all been there.

Boston Red Sox third baseman Mayer prior to his MLB debut against the Baltimore Orioles at Fenway Park. / Bob DeChiara-Imagn Images

It's happened to everyone. You're rushing out the door, already late for your destination, when you realize a critical part of your departure is missing—your car keys have vanished. Now imagine that happened on the way to your big league debut, like it did for Marcelo Mayer on Saturday, when the prized Boston Red Sox prospect was called up for his MLB debut before the night game in the team's doubleheader against the Baltimore Orioles.

The franchise's top infield prospect was thrilled when he learned he'd need to head from Triple A Worchester to make it to Fenway Park to play for the big league club that night. Except the trip he'd waited his whole baseball career to make was delayed because he couldn't locate his car keys.

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 off pic.twitter.com/Aeu8nqzoyj

— Katie Morrison-O'Day (@KatieMo61) May 24, 2025

"I lost them about three weeks ago and never cared to look for them until I needed to,” Mayer said Saturday via MLB.com's Maureen Mullen. Mayer eventually made it to Fenway and started at third base for the Red Sox during Saturday's doubleheader finale. He needed to hitch a ride from a Worcester clubhouse attendant, according to Mullen.

Marcelo Mayer's strengths: baseball and baseball related activities

Marcelo Mayer's weaknesses: Keeping track of car keys

Mayer has gone 3 WEEKS with not knowing where his keys are 🤣 pic.twitter.com/Ud3vDIJjX0

— NESN (@NESN) May 24, 2025

The 22-year-old Mayer was called up after star third baseman Alex Bregman suffered a quad injury Friday. On Saturday, Red Sox manager Alex Cora called Bregman's injury "significant"—he was later added to the 10-day injured list with a right quad strain, bringing the need for infield help in Boston.

Boston selected Mayer with the No. 4 pick in the 2021 MLB draft out of Eastlake High School in Chula Vista, Calif. Through 43 games in Triple A this year, he slashed .271/.347/.471 with nine home runs and 43 RBIs.

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