The Detroit Tigers activated rookie outfielder Wenceel Perez from the 10-day injured list on Thursday.Perez, 24, landed on the list on Aug. 10 with a left oblique strain. He left the previous day’s game against the San Francisco Giants in the fourth inning with side discomfort.Perez is slashing .242/.298/.386 with nine homers, 32 RBIs and nine stolen bases in 97 games this season.