Antonio Cromartie is going national, part of an effort by his handlers to increase his profile in the months and years ahead. One element of that push is a blitz of ESPN headquarters today, during which the Chargers' cornerback will appear on three ESPN networks and ESPN radio, participate in an online chat, and even do something for ESPN Verizon. ?It's more exposure,? Cromartie said. ?I really came onto the scene last year. But nobody really knows me. I just want to tell 'em.?