Ben Roethlisberger experiencing “a little discomfort” in knee

When Ben Roethlisberger was over in London earlier this month, he said his surgically-repaired right knee felt better than ever before. Back on this side of the pond, the quarterback’s knee has run into a little bit of trouble. Ed Bouchette of the Pittsburgh Post-Gazette reports that Steelers coach Mike Tomlin said Friday that Roethlisberger…