SAN FRANCISCO (CBS/AP) — Angel Pagan led off the first inning with a homer, Buster Posey connected two batters later, and Yusmeiro Petit went six innings in a spot start replacing injured Matt Cain and the San Francisco Giants beat the San Diego Padres 6-0 on Tuesday night.

Cain was scratched after cutting the tip of his right index finger. Manager Bruce Bochy said before the game that Cain was in the clubhouse kitchen and had a knife in his hand when the utensil dropped. Cain tried to catch it and cut his finger about a half-inch. He is expected to make his next start.

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Petit (2-1) didn’t allow a hit until Everth Cabrera’s leadoff single in the fourth.

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Hector Sanchez, starting at catcher with Posey at first base, hit a two-run single and a sacrifice fly.

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