Jered Weaver (11-6) allowed two runs and six hits through eight innings, striking out six and walking none before the Angels recorded their major league-best 31st come-from-behind win. The right-hander won his fourth straight decision.
Orioles right-hander Chris Tillman allowed a run and five hits over six innings, stranded seven runners in scoring position and picked off another at second base before handing a 2-1 lead to Tommy Hunter.
Josh Hamilton led off the eighth with a bloop single off Hunter (2-2) and came all the way around on Aybar's double to left-center. A two-out intentional walk to Efren Navarro and another walk to Chris Iannetta loaded the bases for Calhoun, who walked on a 3-1 pitch.