PADRES PROBABLE STARTER: Oliver Perez (3-2, 2.82 ERA). Perez left Saturday's game against the Diamondbacks with a 1-0 lead after seven innings, but the Padres bullpen kept the left-hander from his fourth win of the season. Although the 20-year-old rookie allowed only four hits and struck out seven, San Diego lost the game 7-1. Perez's last win came on July 7 at Colorado, when he allowed only one hit in 6 2-3 innings of shutout ball in a 7-1 victory.
DIAMONDBACKS PROBABLE STARTER: John Patterson (0-0, 1.50 ERA). Patterson went six innings on Saturday at San Diego in his major league debut, allowing just three hits. The only run scored against the right-hander came on a solo homer by Padres catcher Tom Lampkin. The Diamondbacks went on to a 7-1 win, but Patterson did not figure in the decision. Patterson was 6-4 with a 4.71 ERA in 14 appearances for Triple-A Tucson before being called up on June 19 to take the place of Rick Helling in the rotation.
OFFENSIVE LEADERS: Padres - Ryan Klesko, .306 avg., 17 HRs, 55 RBIs and 58 runs; Mark Kotsay, 8 SBs. Diamondbacks - Junior Spivey, .321 avg. and 62 runs; Luis Gonzalez, 19 HRs and 73 RBIs; Tony Womack, 17 SBs.
SEASON SERIES: Padres, 6-3.
STREAKS AND NOTES: Padres - 1B Nevin is 14-for-31 (.452) with two homers and 10 RBIs against Arizona this season. ... RHP Brandon Villafuerte became the 49th player used by the Padres this season when he pitched a scoreless ninth inning on Wednesday. Diamondbacks - 1B Mark Grace is 10-for-30 (.333) with two homers and five RBIs this season against the Padres. ... Arizona is 18-13 against left-handed starting pitchers this season.
ROAD/HOME RECORDS: Padres - 15-32 on the road. Diamondbacks - 31-18 at home.