Tyrann Mathieu's promising rookie season has likely come to an abrupt and disappointing end.
Arizona Cardinals coach Bruce Arians told reporters that Mathieu appeared to suffer a torn his ACL in his left knee during Sunday's 30-10 win over the St. Louis Rams.
NFL Media Insider Ian Rapoport reports the diagnosis was made after initial tests on the free safety's knee, according to a source. An MRI is expected to confirm the injury on Monday.




gotdamn that last gif looked bad