India, Oct. 21 -- The Washington Commanders dealt a setback to Terry McLaurin's availability after the wide receiver sustained a significant knee injury in Monday night's 23-17 defeat to the San Francisco 49ers.

McLaurin had an air cast fitted to his leg before being taken off the field on a cart, fueling concerns that the injury could sideline him for an extended period.

McLaurin's injury represents another major setback for Washington's offense. On the morning of October 20, NFL and ESPN insider Ian Rapoport reported that the wide receiver was feared to have sustained a serious knee injury that could end his season.

An MRI Tuesday confirmed that McLaurin had torn his patellar tendon during Washington's Week 6 Monday Night Football ma...