For one-time workhorse Larry Johnson, the handoffs stopped coming nearly a year ago. He says he learned his lesson waiting for another chance to carry the ball. Johnson signed Tuesday with the Miami Dolphins and knows he must quickly make a good impression, including off the field, where repeated missteps derailed his career. "It's kind of hard to convince anybody with my colorful background that, yeah, I've changed," said Johnson. "But you change with every situation you go through. You know that you can't get many more shots. You do the best you can with your opportunity and ride on out to the sunset." Johnson sat out most of 2010 after being released by the Washington Redskins last September. He twice made the Pro Bowl and has career rushing totals of 6,221 yards and 55 scores, but his most recent touchdown came in 2008. Read more: http://espn.go.com/nfl/story/_/id/6887657/larry-johnson-signs-miami-dolphins
