San Francisco Giants manager Bruce Bochy watches from the dugout during the third inning of a spring exhibition baseball game against the Oakland Athletics in San Francisco, Friday, March 28, 2014. (AP Photo/Jeff Chiu)
Oakland Athletics pitcher Jim Johnson, left, celebrates with teammates after an exhibition baseball game against the San Francisco Giants in San Francisco, Friday, March 28, 2014. The Athletics won 4-1. (AP Photo/Jeff Chiu)
Workers remove water from a tarp covering the field prior to an exhibition baseball game between the San Francisco Giants and the Oakland Athletics Saturday, March 29, 2014, in Oakland, Calif. (AP Photo/Ben Margot)
San Francisco Giants fans wait under an umbrella before a spring exhibition baseball game between the Giants and the Oakland Athletics, Saturday, March 29, 2014, in Oakland, Calif. (AP Photo/Ben Margot)
Workers remove water from a tarp covering the infield prior to an exhibition baseball game between the San Francisco Giants and the Oakland Athletics Saturday, March 29, 2014, in Oakland, Calif. (AP Photo/Ben Margot)
San Francisco Giants fans wait under an umbrella before a spring exhibition baseball game between the Giants and the Oakland Athletics, Saturday, March 29, 2014, in Oakland, Calif. (AP Photo/Ben Margot)