Barry Zito is happy with the progress he's made so far this spring. He allowed one hit in three scoreless innings and the San Francisco Giants earned a 13-3 win over the Milwaukee Brewers in a split-squad game on Saturday. The left-hander threw 30 strikes out of 45 pitches. Zito, who made some changes to his delivery over the winter, said he didn't feel quite as good as the results today,...