With a fastball that hovers around 90 miles per hour and a slider that isn’t missing bats, Jeff Samardzija’s margin for error is razor thin.
The veteran Giants pitcher needs everything to go right to give his club a chance to win, and in his first three starts this season, a blister on Samardzija’s right hand has prevented him from throwing his favorite pitch, the splitter.
The results have been hideous.
Samardzija allowed three home runs in a game for the seventh time in his Giants career and San . . .