2005 Big Ten Softball Tournament
The 2005 Big Ten Conference Softball tournament was held at Alumni Field on the campus of the University of Michigan in Ann Arbor, Michigan from May 12 through May 14, 2005. The championship game was aired on CSTV. As the tournament winner, Michigan earned the Big Ten Conference's automatic bid to the 2005 NCAA Division I Softball Tournament. Format and seeding. The 2005 tournament was an eight team single-elimination tournament. The top eight teams based on conference regular season winning percentage earned invites to the tournament.