Osborne is the all-time leader in games coached (307), years coached (25) and wins (255). Williams and Langdon Frothingham are tied with the highest winning percentage. Williams won his only game as head coach and Frothingham won his two games. Among coaches with at least a full season of coaching, Stiehm's winning percentage of .913 is the highest. Adolph J. Lewandowski and A. Edwin Branch each have a winning percentage of .250, the lowest of all Nebraska coaches. Of the 31 Cornhusker coaches, six have been inducted into the College Football Hall of Fame: Robinson, Fielding H. Yost, Bible, Jones, Devaney, and Osborne. The current coach, Bo Pelini, was hired in December 2007.