The Detroit Lions on Saturday activated starting left tackle Taylor Decker and backup tackle Corey Robinson off the physically unable to perform list and injured reserve, respectively. Decker has been practicing the past two weeks after missing the first half of the season following shoulder surgery for an injury suffered during a spring practice. "When Deck's ready, Deck's going to play," Lions coach Jim Caldwell said. "There's a reason why he's here, a reason why we picked him where we picked him. He'll play when he's ready." That time is apparently now, one day before the Lions face the winless Cleveland Browns.