A's bash four home runs, cruise to win over Giants

(Photo credit: Neville E. Guard-USA TODAY Sports)

Daz Cameron hit the first of four Oakland home runs, JP Sears threw seven shutout innings and the visiting Athletics thumped the San Francisco Giants 5-2 in the opener of their two-game rivalry series Tuesday night.

Lawrence Butler, Brent Rooker and JJ Bleday also homered for the A's, who improved to 8-3 since the All-Star break.

The homers by Cameron, his fifth; Butler,