Steelers running back Ben Roethlisberger was carted off the field following a Sunday night game against the Bengals.The Steelers (7-6) went into halftime trailing, 20-3, and the Bengals (8-5) scored first, 24-21.With a touchdown from Roethisberger, the Steelers would win for the second time in three games, 20 to 17.They were tied for first in…