Medial collateral ligament (MCL) injuries are common in sports and can lead to significant knee instability, particularly anteromedial rotatory instability (AMRI). The MCL plays a crucial role in ...
Coach Kyle Shanahan said after Sunday's 47-24 loss to the Cardinals that Guerendo (knee/ankle) likely suffered an MCL sprain and will undergo further testing Monday, Lindsey Pallares of the 49ers ...