Boston recorded 23 hits in the loss.
Yenier Cano retired Enmanuel Valdéz on a game-ending flyout that stranded the tying run on third as Boston’s ninth-inning rally fell short, and the Baltimore Orioles hung on to beat the Red Sox 13-12 Saturday behind a pair of James McCann home runs for their seventh straight win.
Closing in on its first postseason berth in seven years, the Orioles opened leads of 7-2 in the fourth, 12-6 in the seventh and 13-9 in the ninth as Aaron Hicks and rookie Gunnar Henderson hit three-run homers and Jordan Westburg had a solo shot.
Boston, which outhit the Orioles 23-14, closed in the ninth on Trevor Story’s two-run, two-out double and Wilyer Abreu’s RBI single before Valdéz hit a flyout to left that Austin Hays caught well in front of the Green Monster.
Baltimore (90-51) won for the 13th time in 16 games and became the first AL team to reach 90 wins, maintaining a four-game lead over second-place Tampa Bay in the AL East. Shintaro Fujinami (7-8) pitched 1 2/3 innings.
