The Facts: According to NFL Network's Ian Rapoport, an MRI confirmed that Mathews sprained his MCL in Sunday's win over the Seahawks. Mathews is expected to miss four to five weeks.

Diehards Line: That falls into line with the reporting on this injury Sunday night. ... With Mathews out, Donald Brown and Danny Woodhead move up in the rotation. We'll follow up with plans for the division of workload as further details come to light.