Justin Tuck admits it. Every offseason, a part of him grows concerned about the NFL's image. But the veteran defensive end says there's not much that he and his Giants can do about that aside from doing their best to stay out of trouble. “I think you always worry about the image of the NFL,” he said on Monday, after a Gillette Fusion ProGlide event at Story in Manhattan. “But the only way I can control that is the things that I do. I can't control what other people do.