UPDATE: Staley returned in the fourth quarter.. The San Francisco 49ers just picked off Patrick Mahomes to send their offense back on the field, but the 49ers offensive line will be a man short. Joe Staley injury update: 49ers offensive tackle suffered broken fibula in win over Bengals The 49ers head coach gave injury updates on players including Joe Staley and Dee Ford and discussed the team's game plan on the offensive line moving forward. San Francisco dominated Cincinnati 41-17 on Sunday, but it lost a key piece of its offensive line in the victory. Home » NFL » Joe Staley injury update: 49ers offensive tackle suffered broken fibula in win over Bengals. 09/15/2019 NFL. The San Francisco 49ers dominated the Cincinnati Bengals, but it lost one of their key starters in Joe Staley.Kyle Shanahan said after the game that Staley suffered a broken fibula. Left tackle Joe Staley suffered a hand injury the previous drive and is questionable to return. Joe Staley injury update: 49ers offensive tackle suffered broken fibula in win over Bengals. Head coach Kyle Shanahan provided an update on the six-time Pro Bowler on Monday. San Francisco 49ers left tackle Joe Staley has been out since Week 2 with a broken fibula.