In their 45th contest of the year, the Giants will finally face division foe Colorado for the first time this season. Right-hander Jeff Samardzija (1-2, 6.94 ERA) will get the start in Thursday's 7:15 p.m. PT opener of the four-game set, seeking his first quality start of the year. The Rockies are expected to counter with right-hander Chad Bettis (4-1, 3.12).