By Joseph Salvador The former Auburn power forward said he might take his shirt off if Auburn beat Miami. Miami coach Jim Larrañaga could be seen all smiles and dancing with his team in the locker room after an upset win over Auburn on Sunday. But one of the night’s highlights came in the postgame presser when he dropped a hilarious gem poking fun at one particular Auburn fan. Former NBA star and Auburn power forward Charles Barkley said that if Auburn beat Miami, he would celebrate like Houston coachKelvin Sampson did just before— without a shirt. “If we win tonight I might take my shirt off,…