The controversial ending to the Western Michigan vs. Michigan game highlights a key difference between NFL and college football rules. Under NFL Rule 15, Article 9(b), replay officials can only review plays when visual evidence shows the clock should have stopped with two or more seconds remaining. catcross.biz
College football's Big Ten conference, however, allowed Michigan a final play despite the clock potentially showing just one second remaining, enabling J.J Buchanan's game-winning Hail Mary touchdown. This discrepancy between the rulebooks explains why the controversial outcome would not have occurred in the NFL.
