How Bad Is Dalvin Cook’s Shoulder Injury?

On the third play of the second half of the Vikings-Chargers game on Sunday, Minnesota’s star running back Dalvin Cook tried to go around the right end, but was tackled for a three-yard loss on a fine solo effort by linebacker Denzel Perryman. Cook immediately stayed on the ground, and was obviously in great pain.

When Cook was helped off the field, the announcers felt he had twisted either his left knee or left ankle – he was hunched over and moving very gingerly. He was quickly reported to be out for the rest of…