The Spartans began the Big Ten season with back-to-back losses to No. 6 Illinois and Wisconsin . They followed those up with wins over No. 9 Indiana , No. 19 Ohio State in double overtime , and No. 23 Iowa . However , Michigan State finished the conference season losing five of their last seven games . MSU finished the Big Ten regular season with a conference record of 8 – 8 , 20 – 10 overall , and slipping out of the polls . In the Big Ten Tournament , MSU defeated Purdue and No. 9 Illinois before losing to No. 20 Iowa in the semifinals
Big Ten Tournament
2006 Big Ten Conference Men's Basketball Tournament
2005–06 Michigan State Spartans men's basketball team