Giants scratch Posey from lineup with injury

Giants scratch Posey from lineup with injury UPDATE, 12:45 p.m. The Giants just scratched Buster Posey with lower-back tightness, an issue he has had this season. The revised lineup is at the bottom of the post: The Giants also have a chance to win consecutive series for the first time since the All-Star break. Longtime readers know I don’t believe in curses, so whatever you want to call it, Cueto is 0-2 with a 5.02 ERA since he started the All-Star Game. A couple of quick rehab notes: The Giants still are trying to figure out how to clear roster space for reliever Cory Gearrin. The Giants will not do that with Gearrin. [...] given the calendar, I doubt the Giants will designate a player. All have some aches that can use some rest this time of year. Mac Williamson is set to begin his rehab with Triple-A Sacramento. The Giants face Wade Miley, a familiar foe from his days with the Diamondbacks. The lineups: Kim LF Pagan LF Pence RF Henry Schulman is a San Francisco Chronicle staff writer.