Filed to print . . . ALAMEDA _ The bandwagon was picking up speed Monday, with the Raiders having beaten the New York Jets and perhaps awakened the East Coast to their resurgence. At 4-3 and presently in a wild card position, the Raiders head to Pittsburgh with a chance to go from novelty to big-time story to close out the first half of the season. All of which seemed to mildly amuse Raiders coach Jack Del Rio, who was having a hard time coming to grips with his team’s potential problem with overconfidence at his weekly press conference.