You're playing tag with your kids, hitting a fast tennis return shot, landing after a gymnastics vault, evading a football tackle or jumping off a rock onto the beach. Suddenly, you feel a pop in your ...

San Francisco 49ers star receiver Brandon Aiyuk will miss the rest of the season after tearing ligaments in his right knee ...

Coach Kyle Shanahan said tests Monday confirmed the initial diagnosis Aiyuk tore his ACL and would need major reconstructive ...

San Francisco 49ers wide receiver Brandon Aiyuk underwent tests that confirmed he suffered a season-ending knee injury on ...

San Francisco 49ers wide receiver Brandon Aiyuk suffered a knee injury during Sunday’s game against the Kansas City Chiefs, ...