While the first hit is always special, it was made even more so for Mayer because his family was in attendance at Fenway Park. With very little notice prior to his debut on Saturday, they took a red-eye flight from California to get to Boston time for Mayer’s second MLB game.

But the Red Sox had some major roster questions looming even before Bregman went down, and Christopher Kiline of FanSided predicted Mayer's promotion will lead to another signific

The Boston Red Sox are promoting one of baseball's best infield prospects to the majors. Marcelo Mayer, the fourth pick in the 2021 draft, is expected to leave Triple-A Worcester and join the big-league club after veteran Alex Bregman suffered a quad injury during Friday's game against the Baltimore Orioles,