Ryan Silverfield is walking into Fayetteville with a new title, a fresh contract and a fan base that's hoping he's the answer the Razorbacks have been chasing. He may well be. But if you're betting on him joining the short, exclusive list of Arkansas head coaches who won big in year one, you'd better check the odds first. Slim and none. And slim didn't show up for the conversation. There's a reason that list is two names deep. It's Lou Holtz in 1977 and Houston Nutt in 1998 and the reason isn't complicated. Both stepped into situations that most coaches only dream about. Silverfield doesn't have that luxury. It's not a knock on him. It's simple arithmetic. ESPN analyst Lou Holtz on set prior to the Arkansas Razorbacks against the Ohio State Buckeyes game for the 2011 Sugar Bowl at the Louisiana Superdome.…