John T. Greilick /The Detroit News

Michigan QB Chad Henne throws a pass on the Wolverines opening drive. Henne played the first series, leading the Wolverines to a touchdown, then Ryan Mallett took over for the rest of the first half. Henne returned in the second half to lead the Wolverines to victory, with three touchdown passes and 18 completions on 27 attempts for 193 yards. Michigan trailed at halftime 16-7, but the defense forced four turnovers in the fourth quarter and Henne's return led the Woverines to a 28-16 comeback victory over Northwestern at Ryan Field in Evanston, Illinois on Saturday, September 29, 2007.