"Nobody had us picked to come this far, but we're here. We're here to prove that we didn't just make it, we're here to win games."
O'Brien also teased the possibility of playing one game at Gillette Stadium, the home field of the New England Patriots.
"You give them two yards of plus-yardage, and they get their head of steam going, and that makes an effective running back."
Ross, who has one year of eligibility left, totaled 129 catches, 1,618 yards, and 14 touchdowns across three seasons with Troy.
Saquon Barkley needs 268 rushing yards over the next two games to break the NFL single-season rushing record.
