NFL Network’s Ian Rapoport reports Vikings LT Christian Darrisaw (knee) will undergo season-ending knee surgery.

NFL Network’s Ian Rapoport reports Christian Darrisaw will have an MRI on his left knee.

Vikings LT Christian Darrisaw was forced from Minnesota’s Week 8 game against the Rams with a left knee injury and will not return.

NFL Network’s Tom Pelissero reports the Vikings have agreed to terms with LT Christian Darrisaw on a four-year, $113 million contract extension.