With eight games left, Boston (90-64) has a four-game lead in the division after the Yankees beat the Blue Jays on Saturday.
Clinging to a 1-0 lead in the sixth, Moreland changed the game when he unloaded on a first-pitch changeup from Robert Stephenson and smashed it with an exit velocity of 104.9-mph, according to Statcast™. Moreland's 20th homer of the season traveled a projected distance of 411 feet. Moreland has now hit at least 20 home runs in four consecutive seasons.
The Red Sox got a sacrifice fly from Brock Holt in the top of the first to take the lead.