Vikings quarterback J.J. McCarthy required a second procedure to his right knee this week to address swelling that occurred during his physical rehab, coach Kevin O’Connell said Wednesday.

Minnesota Vikings rookie quarterback J.J. McCarthy underwent a second surgery on his right knee earlier this week. Coach Kevin O'Connell said Wednesday the procedure occurred because of swelling that ...

Vikings quarterback J.J. McCarthy injured his right knee during the team's first preseason game on Aug. 10. (Carlos Gonzalez/The Minnesota Star Tribune) ...

Vikings QB J.J. McCarthy had a second procedure to address swelling in his right knee as he increased his rehab workload ...

Minnesota Vikings rookie quarterback J.J. McCarthy underwent a second surgery on his right knee earlier this week. Coach Kevin O'Connell said Wednesday the procedure occurred because of swelling ...