TAMPA, Fla.- With Xavier Weaver and Jimmy Horn having transferred to Colorado, Sean Atkins was USF’s leading returning receiver a year ago with 19 receptions for 238 yards. While there were a few familiar faces in the receivers’ room, there were a number of new ones, and many questions. This year, Atkins is coming off a record-breaking season and is the centerpiece of a deep and experienced group. “The whole room is super competitive and we kind of push one another to get the best out of each other,” said Atkins, who is on the Biletnikoff Award (nation’s top receiver) watch list after setting …