UPDATE: Pagan undergoes MRI on left leg, plus a Zito first-game anecdote

UPDATE, 6:40 p.m.: Angel Pagan underwent an MRI on his injured left leg, and the result was most "good news," manager Bruce Bochy said. The test revealed some possible bursitis but no significant damage to his left hamstring. Pagan missed his third consecutive game with the hamstring strain. He might be available to pinch-hit tonight. [...]