Lincecum (16-3) allowed seven hits and two runs in 8 1/3 innings for the Giants, who have won three straight.

Bengie Molina belted a three-run home run and scored on a Rich Aurilia base hit in the seventh inning.

The loss -- Arizona's fourth straight and 12th out of 16 -- cost the Diamondbacks a chance to pick up a game on the NL West-leading LA Dodgers, who lost 4-0 to San Diego Monday night. The Dodgers are 1 ½ games ahead of the D'Backs.

Pinch-hitter Jamie D'Antona drove in a run for Arizona.

Yusmeiro Petit (3-5) took the loss, allowing eight hits on five runs in 2 2/3 innings for Arizona.