Swelling sends QB J.J. McCarthy into second knee surgery

(Photo credit: Brad Rempel-Imagn Images)
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 developed when McCarthy began ramping up the intensity of his rehab. The initial procedure in mid-August was a season-ending operation to repair significant meniscus damage.

"We know