The stunning final play in Ann Arbor on Saturday stands alone as the most jaw-dropping, dramatic finish since Auburn's Kick Six in 2013, but it was also a fitting illustration of what has been such a fine line of separation between the nation's College Football Playoff contenders throughout the first half of the season.
With one clumsy fumble, Michigan dropped into the shadows of the Big Ten race and Michigan State elevated its hopes of finishing in the top four. Elsewhere, LSU and Florida went down to the wire, Notre Dame and USC were tied in the fourth quarter, and for the second straight week, undefeated TCU had to make a comeback.