Jake Diebler has his Ohio State Buckeyes on a roll since he took over as head coach when Chris Holtmann was fired in mid-February. Before Diebler was promoted, Ohio State Basketball was 14-11 and nowhere near an NCAA Tournament bid. But the long-time Buckeye assistant coach took the team’s struggles as motivation to make his team better and shock the basketball world. Ohio State went from having a single Quad…