With each team pondering rotation changes down the line, the Oakland Athletics and host San Francisco Giants complete a two-game interleague series Wednesday afternoon with a pair of struggling starters on the mound. Right-handers Homer Bailey (9-8, 5.54 ERA) of the A's and Tyler Beede (3-6, 5.61) of the Giants are scheduled to duel. The home team will hope to ride the momentum of a thrilling finish and 3-2 win in Tuesday's opener to a series sweep.