Watch: Vikings head coach Kevin O'Connell talks about McCarthy, Jefferson, and more on Wednesday afternoon in Eagan.
EAGAN, Minn. — Vikings quarterback J.J. McCarthy has entered the NFL's concussion protocol after experiencing "symptoms" after the team's 23-6 loss to Green Bay on Sunday.
Minnesota Vikings starting quarterback J.J. McCarthy is in concussion protocol, head coach Kevin O'Connell announced Monday. Per O'Connell, McCarthy reported concussion symptoms on the flight back ...