Going into today's game in Seattle, Orioles reliever Darren O'Day hadn't allowed a run in his last 14 appearances over 15 1/3 innings.
O'Day retired the first two Mariners in the bottom of the eighth inning, but Mike Zunino lined a home run into the left field seats to tie the game 2-2.
The Orioles took a 2-1 lead in the top half on Manny Machado's infield hit with two outs that scored Adam Jones.
O'Day's 1.00 ERA led American League relievers. He struck out Chris Taylor to end the eighth and walked off the mound with a 1.17 ERA.
O'Day has given up three home runs in 46 innings. The most recent before today came off the bat of the Indians' Lonnie Chisenhall on May 22.
The Orioles are 8-4 this season when tied after the eighth inning.
The Orioles have twice left the bases loaded today, which could come back to haunt them.
The Blue Jays beat the Yankees today and are 2 1/2 games behind the Orioles in the American League East.
Update: Machado's sacrifice fly in thew 10th inning scored Adam Jones and gave the Orioles a 3-2 lead.
The Orioles loaded the bases with no outs against Mariners reliever Yoervis Medina on an Adam Jones double and walks to Nelson Cruz and Chris Davis. J.J. Hardy popped up and Machado fell behind 0-2 before flying to deep center field.
The Orioles settled for one run. Will that be enough?
Update II: Zach Britton struck out the side for his 20th save and the Orioles ended a successful West Coast trip with a 3-2, 10-inning win over the Mariners.
The Orioles went 6-4 on the trip and improved to 58-46 overall. They continue to hold a three-game lead in the American League East.
With the win, the Orioles improved to 11-3 in extra-inning games, 32-23 on the road and 19-16 in one-run games. They're 9-4 in Seattle since the beginning of 2012.
The Orioles are 17-10 against the AL West this season.
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