San Francisco's Matt Cain hasn't allowed a run in two home starts this season. Miami's Ricky Nolasco has been nearly as dominant over his career at AT&T Park.
Runs could be at a premium when the host Giants and sputtering Marlins open a three-game series Tuesday night.
Following a string of subpar pitching performances, San Francisco held San Diego to one run in each of its last two games, including a 4-1 victory Sunday.
After Tim Lincecum allowed one unearned run in eight innings Saturday, Madison Bumgarner pitched into the eighth Sunday while Pablo Sandoval homered and Joaquin Arias added a two-run triple.
The Giants (12-10) had given up 23 runs over their previous four games, losing three of them.
Cain (1-1, 2.37 ERA) will try to extend San Francisco's success on the mound and equal his results from his first two home outings. He went nine innings in each, yielding a combined three hits and one walk while striking out 15.
He wasn't as sharp last Tuesday in Cincinnati, g...