The Cardinals biggest fear came true today.
According to ESPN’s Adam Schefter, Cardinals safety Tyrann Mathieu suffered a torn ACL during Sunday’s win over the Rams.
Cardinals DB Tyrann Mathieu did tear his ACL, a league source confirmed, as Arizona feared.
— Adam Schefter (@AdamSchefter) December 9, 2013
Mathieu was having a heck of a season with 68 tackles, 1 forced fumble and 2 interceptions.
Update: Mathieu also tore his LCL.