Diamondbacks at Giants SAN FRANCISCO (Interstat) — The Arizona Diamondbacks (29-24) and San Francisco Giants (22-32) continue their four-game series Wednesday evening at Oracle Park, where first pitch is scheduled for 7:15 p.m. and skies are forecast at 63 degrees with clouds. Arizona will start right-hander Michael Soroka (6-2), who enters the series having allowed more than two earned runs only once in his past eight outings. The Giants counter with right-hander Landen Roupp (0-5), who has lost each of his five starts this season despite a 3.73 ERA and 31 strikeouts over 24 1/3 innings. The Diamondbacks have dominated the season series so far, winning five consecutive meetings, including a 6-2 victory Monday afternoon in the opener. Merrill Kelly, who earned that win with seven innings of two-run ball, is a player to watch for Arizona. The right-hander has been exceptional lately, posting a 1.91 ERA over his past five starts with 22 strikeouts and four wins. Ketel Marte drove in three runs Monday and is hitting .312 against San Francisco this season. For the Giants, Roupp has faced Arizona twice in 2026, both losses. He allowed two runs over five innings Monday and one run in six innings May 19. San Francisco’s offense has struggled against Diamondbacks pitching, scoring three or fewer runs in four of the five meetings. Rafael Devers drove in two runs Monday for San Francisco, but the Giants stranded eight runners and went 2-for-9 with runners in scoring position. The Diamondbacks have won eight of their past 10 games overall. The Giants have split their last six. According to Interstat’s game simulator, the projection favors Arizona by a 7-4 margin. The betting line opened with the Diamondbacks as a 1.5-run favorite, with the over/under set at 7.5. After Wednesday’s contest, Arizona travels to Seattle for a three-game weekend series. San Francisco heads to Colorado for a three-game set. Note: The information provided lists two probable pitchers for Arizona. Michael Soroka is expected to start Wednesday. The Diamondbacks remain without a named starter for Thursday’s series finale.