Vikings’ Sullivan suffers calf injury

Minnesota Vikings center John Sullivan is questionable to return
after suffering a calf injury early in Sunday’s game against the
Chicago Bears.

Sullivan was injured on the Vikings’ eighth play of their first
drive. He stayed down after a 3-yard run by Adrian Peterson that
put the ball on the Chicago 23, before walking gingerly off the

Ryan Longwell capped the drive with a 36-yard field goal that
gave the Vikings a 3-0 lead.