Michael Crabtree suffers torn Achilles in workout

The 49ers suffered a major blow during OTAs, as wide receiver Michael Crabtree suffered what could be a season-ending injury. According to Mike Garafolo of USA Today, Crabtree tore his Achilles during a workout Tuesday, and will need surgery to repair the injury. While players such as Terrell Suggs and Da’Quan Bowers have come back…