The original trophy was a carved wooden "cigar store" Indian, but was stolen and replaced by a replica of a tomahawk.At the end of the 2008 football season, when the teams last played for the trophy, Illinois led the series 52–45–5, and 33–29–2 during the era of the Tomahawk.The NCAA mandated that all Native American imagery deemed hostile and abusive must be removed from college athletics, including the Sweet Sioux Tomahawk.The trophy's name derives from the official state nickname of Illinois and depicts a bronze replica of a stovepipe hat famously worn by Abraham Lincoln.The Big Ten announced its plans to realign its schools geographically in April 2013 in time for the 2014 football season.