The trade came after Devers and the Boston office butted heads over his role in the current season. The Red Sox signed Alex Bregman to a free-agent contract this past offseason, b

With his first homer as a Giant, a two-run, opposite-field shot, Devers powered San Francisco to a 3-2 win over the Boston Red Sox — the only major-league team Devers had known for more than a decade. In Boston, Devers blossomed into one of baseball’s best players. In San Francisco, the Red Sox can only watch their former star from afar.

Rafael Devers hit his first home run for the Giants, connecting against his former Boston Red Sox team just six days after being traded to San Francisco.