Catching up with Butler's Rotnei Clarke   INDIANAPOLIS — When he
transferred to Butler two summers ago, Rotnei Clarke couldn't
have predicted he'd be a part of the biggest upset of the
2012-13 season so far.  Yet there he was, on the court as walk-
on Alex Barlow hit the game-winning floater to knock off then-
No. 1 Indiana in overtime at Bankers Life Fieldhouse in a Dec.
15 game that made it feel like March. There he was, celebrating
the victory in a pile of happy Bulldogs.  GAME: Butler stuns
Indiana  VIDEO: Rotnei Clarke's buzzer beater to beat Marquette
He couldn't have known what would happen when he chose Butler,
but he knew the possibility existed.  "That was one of the
reasons I came," he said. "I think it says a lot about our team
and about our character to go into overtime against the No.1
team in the country in a venue like this and a game like this
and pull it out, gut it out for each other."  Clarke led
Arkansas in scoring during the 2010-11 season with 15.2 points a
game but left after coach John