Josh Reddick hit two home runs, a day after connecting three times for Oakland, but the Toronto Blue Jays got shots from Jose Bautista and Jose Reyes to beat the Athletics 5-4 Saturday.
Reddick had homered only five times this season before launching a trio of longballs Friday night in a 14-6 romp.
Reddick kept up the power surge with a two-run drive off Mark Buehrle in the second inning and a leadoff home run in the ninth against Casey Janssen. It was Reddick's fourth career multihomer game.
Oakland began the day in a virtual tie with Texas for the AL West lead. The A's lost for the seventh time in nine games.
Buehrle (8-7) won his third straight decision. He allowed three runs and seven hits in 5 1-3 innings.
Janssen, Toronto's sixth pitcher, worked a nervy ninth for his 21st save in 23 opportunities.
After Reddick homered to begin the ninth, Alberto Callaspo singled and was replaced by pinch-runner Eric Sogard. Coco Crisp beat out a bunt single, but Sogard was forced out at...