Roethlisberger's left knee a concern for Steelers (The Associated Press)

A miserable loss in Miami might be the least of the problems facing the Pittsburgh Steelers. Quarterback Ben Roethlisberger limped through the locker room after the 30-15 setback with his left knee aching following an awkward step in the second quarter. ”I don’t know how it happened,” Roethlisberger said.