2012–13 NCAA Division I men's basketball season
The 2012–13 NCAA Division I men's basketball season began in November with the 2K Sports Classic and ended with the Final Four in Atlanta, April 6–8. Conference membership changes. The 2012–13 season saw the second wave of membership changes resulting from a major realignment of NCAA Division I conferences. The cycle began in 2010 with the Big Ten and the then-Pac-10 publicly announcing their intentions to expand. The fallout from these conferences' moves later affected a majority of D-I conferences. In addition, two schools moved from Division II  starting this season. These schools are ineligible for NCAA-sponsored postseason play until completing their D-I transitions in 2016. Finally, one school that had announced a transition to Division II, New Orleans, announced that it would halt its transition and remain in Division I. Major rule changes. Beginning in 2012–13, the following rules changes were implemented: Season outlook. Pre-season polls. The top 25 from the AP and ESPN/USA Today Coaches Polls. Regular season. A number of early-season tournaments will mark the beginning of the college basketball season. Conference winners and tournaments. Thirty athletic conferences each end  their regular seasons with a single-elimination tournament. The teams in each conference that win their regular season title are given the number one seed in each tournament. The winners of these tournaments receive automatic invitations to the 2013 NCAA Men's Division I Basketball Tournament. The Ivy League does not have a conference tournament, instead giving their automatic invitation to their regular season champion. As of 2013, the Great West Conference does not have an automatic bid to the NCAA Men or Women's College Tournament but the men's tourney champion does receive an automatic bid to the  CollegeInsider.com Postseason Tournament. Postseason tournaments. NCAA Tournament. Tournament upsets. For this list, a "major upset" is defined as a win by a team seeded 7 or more spots below its defeated opponent. National Invitation Tournament. After the NCAA Tournament field is announced, the NCAA invited 32 teams to participate in the National Invitation Tournament. The tournament will begin on March 19, 2013, with all games prior to the semifinals played on campus sites. The semifinals and final will be respectively held on April 2 and April 4, 2013 at the traditional site of Madison Square Garden. NIT Semifinals and Final . Played at Madison Square Garden in New York City College Basketball Invitational. The fifth College Basketball Invitational (CBI) Tournament began on March 19, 2013 and ended with a best-of-three final scheduled for April 1, 3, and 5; the final went the full three games. This tournament featured 16 teams who were left out of the NCAA Tournament and NIT. CollegeInsider.com Postseason Tournament. The fourth CollegeInsider.com Postseason Tournament was held beginning March 2013 and ending with a championship game in April 2013. This tournament places an emphasis on selecting successful teams from "mid-major" conferences who were left out  of the NCAA Tournament and NIT. 32 teams participated in this tournament, which granted an automatic bid to the Great West Conference Men's Basketball Tournament champion. Award winners. Consensus All-American teams. The following players are recognized as the 2013 Consensus All-Americans: Coaching changes. A number of teams changed coaches during and after the season.