Buster Posey doubled in two runs and walked in his first appearance of the spring, but Josh Reddick had three hits and drove in a pair of runs in leading the Oakland Athletics to a 9-2 victory over the San Francisco Giants on Wednesday. Jake Peavey worked an inning for the Giants, giving up two runs on four hits. Marcus Semien had two hits and drove in three, giving him seven RBIs in his first two exhibition games, all against Giants' pitching. For the second straight day, the A's jumped on a Giants starter early.