Riley Greene hit a two-run single and the host Detroit Tigers opened a three-game series against San Francisco with a 3-1 victory over the Giants on Monday afternoon.Colt Keith had two hits and scored a run for Detroit.Tigers starter Keider Montero (2-1) held the Giants to one hit in five innings. He was followed by a parade of five relievers with Will Vest picking up his sixth save.Detroit’s Javier Baez was ejected in the fifth inning for arguing balls and strikes. Baez was called out on strikes by home plate umpire Phil Cuzzi on a pitch that replays showed was low and outside.Wilmer Flores drove in the lone San Francisco run. Hayden Birdsong (2-1), making his second start this season, was charged with three runs on five hits in 4 1/3 innings while recording six strikeouts.San Francisco squandered a scoring opportunity in the first. Matt Chapman walked and Jung Hoo Lee singled with one out. They moved into scoring position on a groundout but were left stranded when Montero struck out Willy Adames.Detroit pushed across a run in the fourth. Keith led off with a single and advanced to second on Spencer Torkelson’s single. With two down, Dillon Dingler slapped a single into left and Keith came around to score.
