Minnesota Vikings head coach Kevin O’Connell said on Monday that quarterback J.J. McCarthy has entered concussion protocol after reporting symptoms on the team’s flight back from Green Bay on Sunday, after the Vikings’ 23-6 loss to the Packers.   McCarthy went 12 of 19 for 87 yards and had interceptions on the final two series.

O’Connell said of McCarthy: “[He] reported some kind of symptoms in regards to his head, and we wanted to get back here once we kind of heard he was evaluated last night. After completing those tests, our training staff and doctors and medical team have decided that the right place for him is to put him in the protocol for now, and he’ll go through that process this week.”

O’Connell said that he did not have any additional updates on McCarthy’s condition, but said that the quarterback has been in the building for meetings on Monday.

McCarthy is off to one of the worst career starts of any NFL quarterback in the past decade, with a 24.9 QBR after six starts.  With his status for Minnesota’s Week 13 matchup vs. the Seattle Seahawks in jeopardy, the team will begin preparing Max Brosmer to be the backup QB, and potential starter.

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