The Orioles, quiet for the first six innings against Tigers starter Rick Porcello, broke out in a three-run seventh to close the homestand with a 4-2 win on Sunday afternoon at Camden Yards.

It was the second come-from-behind win in three days and sealed a series win for the O's.

After nine Major League innings in which Kevin Gausman gave up 11 earned runs and four home runs, the rookie right-hander engaged in a pitchers' duel with Porcello.

In his six-inning outing, Gausman held his own. He recorded 12 outs on the ground and four via strikeouts, including catching Miguel Cabrera looking to end the sixth. The lone blemish on his line was a Prince Fielder solo home run in the fourth. In his third career start, Gausman gave up five hits, struck out four and didn't issue a walk.

He left trailing, 1-0, but the Orioles took Gausman off the hook for the loss with a three-run seventh in which they sent eight men to the plate, and unraveled what had been a solid outing for Porcello.

Chris Davis led off the seventh with his 20th home run of the season, which broke up Porcello's 16-inning scoreless streak and brought the Orioles within one run.