Khalil Tate's legs make him a fringe Heisman candidate. But USC is also concerned about his arm.

Jack Jones pursed his lips after practice Wednesday and let out a dismissive “pssh.”

"I'm not scared,” Jones said.

Not even of Arizona quarterback Khalil Tate?

“I don't fear anything,” Jones said. “So I'm not worried.”

Jones knows how dangerous Tate can be. A moment ago, Jones had just finished...