Giants Tyrone Tracy sidelined with shoulder injury, could miss weeks.

New York Giants running back Tyrone Tracy Jr. was forced out of Sunday night’s Week 3 loss to the Kansas City Chiefs at MetLife Stadium after suffering a right shoulder injury that team trainers later confirmed would require further testing and could sideline him for multiple games.

Tracy, a second year back from Purdue who started as the Giants primary ball carrier, was injured late in the first quarter while catching a short pass from quarterback Russell Wilson near the Chiefs sideline. He collided with a Chiefs defender and immediately grabbed his right shoulder, receiving treatment on the field from visiting medical staff before being helped to the Giants bench and escorted to the locker room, where he underwent imaging. The team ruled him out for the remainder of the game.

Accounts of Tracy’s exact diagnosis varied in the hours after the game. The Giants described additional testing to determine the severity, while league and medical sources said the injury was a dislocation and that Tracy is expected to miss at least two to four weeks. Other reports described the injury as a separated shoulder. Medical observers cautioned that if the labrum is torn, as in recent comparable...