New York - 2K Sports, a unit of game publisher Take-Two Interactive, said on Wednesday that it has signed former NFL players John Elway, Jerry Rice and Barry Sanders to grace the cover of its "All-Pro Football 2K8" for PlayStation 3 and Xbox 360, slated for release this summer. The game will also feature a soundtrack comprised of original tracks, remixes and mash-ups produced by DJ Z-Trip, which will see a retail release on Decon Records.