(Sports Network) - The San Francisco Giants and San Diego Padres will wrap up a four-game series this afternoon at Petco Park.

The Giants have won the last two meetings in this series and seven of eight overall. In Saturday's 7-0 victory in the third test of this set, starter Tim Lincecum posted his first-career shutout and allowed four hits with 12 strikeouts and three walks. It was also the right-hander's first-ever complete game.

Bengie Molina was 2-for-5 with three runs batted in, including a two-run homer for the Giants, who got three hits and an RBI from Eugenio Velez. Randy Winn and Omar Vizquel both had a pair of hits and an RBI.

Barry Zito will take the mound on Sunday and he is 9-16 with a 5.35 ERA this season. Zito is 3-1 over his previous five starts and did not factor in the outcome of a 5-4 win on September 9 versus Arizona the last time out. He was reached for two runs and five hits in six innings of work.

The lefty is 3-2 with a 3.10 earned run average in nine career games (eight starts) against the Padres.

San Diego has lost two in a row and four of five games. Brian Giles, Adrian Gonzalez, Kevin Kouzmanoff and Nick Hundley recorded the four hits in yesterday's loss. Starting pitcher Chris Young pitched seven decent innings to absorb the loss, as he surrendered three runs and seven hits.

Cha Seung Baek is 5-9 with a 4.97 earned run average in 19 games (17 starts) for San Diego and will take the ball on Sunday. Baek was 0-4 in five trips to the mound before winning his latest outing on September 8 versus Los Angeles. He tossed seven shutout innings of three-hit ball in the 4-0 win.

In two career appearances, one of which was a start, against San Francisco, the right-handed Baek is 1-1 with a 5.63 ERA.

The Giants are 12-5 against the Padres this season after San Diego won the season series a year ago by a 14-4 margin.