Zach Miller, the Chicago Bears tight end who suffered a serious leg injury Sunday as he caught a touchdown pass that was later overturned, underwent “urgent” surgery Sunday night to save his left leg.

Surgery to repair a damaged artery was performed at University Medical Center in New Orleans, where the Bears lost to the Saints. The Bears announced Monday that Miller, who had a dislocated knee, also had a torn popliteal artery, which branches off from the femoral artery and is located in the knee and back of the leg. The team termed surgery successful and said Miller, 33, “remains at UMC, along with Bears medical personnel, where he will stay under further evaluation.”

Miller’s leg bent awkwardly, to put it mildly, as he came down while making an end zone catch of a pass from Mitchell Trubisky in the third quarter. Miller somehow managed to hang onto the ball — remarkable given what was happening with his leg — but the touchdown was overturned upon review. (You can see a replay of the injury, which is extremely difficult to watch, here.) The extent of Miller’s injury was first reported by ESPN’s Chris Mortensen.

“It’s brutal, gruesome,” Bears guard Kyle Long said of the injury. “I didn’t watch it after I saw it the first time. To go from the elation of, ‘What a play, what a throw!’ in that situation of the game to overturn [the touchdown call] and Zach obviously being injured … it’s really unfortunate. We lost a really good guy today.”

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