Rooker hits 2 homers in an inning, rookie Harris hits 2 in debut as A’s reach .500 by blowing out Marlins

OAKLAND — First came the rain, followed by the thunder.

Flexing their offensive muscle for the first time this season, the Athletics exploded for 10 runs in the third inning in a 20-4 win over the Miami Marlins Saturday at the Coliseum following a rain delay of nearly three and a half hours. Their sixth consecutive win evened the A’s record at 17-17, nine games better than the 8-26 record they held after 34 games a year ago.

Brent Rooker had two home runs — his seventh and eighth of the season ...