The 2012–13 Big 12 men's basketball season began with practices in October 2012, followed by the start of the regular-season in November. Conference play began in early January 2013 and concluded in March with the 2013 Big 12 Men's Basketball Tournament at the Sprint Center in Kansas City. This was the first season in the Big 12 for two former Mountain West and Big East teams, as the TCU Horned Frogs and the West Virginia Mountaineers, respectively, played their first seasons in the conference.
() first place votes
Pre-Season All-Big 12 Teams
Player of the Year: Pierre Jackson, Baylor
Newcomer of the Year: Amath M'Baye, Oklahoma
Freshman of the Year: Marcus Smart, Oklahoma State
This table summarizes the head-to-head results between teams in conference play. (x) indicates games remaining this season.
March 13–16, 2013– Big 12 Conference Basketball Tournament, Sprint Center, Kansas City, MO.
Several players from the conference declared early for the NBA draft. Several players were among the 60 players invited to the 2013 NBA Draft Combine. The following conference players were drafted:
Ben McLemore, Sacramento Kings, 1st round, 7th overall
Jeff Withey, Portland Trailblazers, 2nd round, 39th overall
Pierre Jackson, Philadelphia 76ers, 2nd round, 42nd overall
Romero Osby, Orlando Magic, 2nd round, 51st overall
All-Big 12 Awards and Teams
Player of the Year: Marcus Smart, Oklahoma State
Defensive Player of the Year: Jeff Withey, Kansas
Newcomer of the Year: Will Clyburn, Iowa State
Freshman of the Year: Marcus Smart, Oklahoma State
Sixth Man Award: Tyrus McGee, Iowa State
Scholar-Athlete of the Year: Melvin Ejim, Iowa State
Coach of the Year: Bruce Weber, Kansas State
All-Big 12 First Team
Ben McLemore, Kansas, G
Jeff Withey, Kansas, C
Rodney McGruder, Kansas State, G
Romero Osby, Oklahoma, F
Marcus Smart, Oklahoma State, G
All-Big 12 Second Team
Pierre Jackson, Baylor, G
Will Clyburn, Iowa State, G
Travis Releford, Kansas, G
Ángel Rodríguez, Kansas State, G
Markel Brown, Oklahoma State, G
All-Big 12 Third Team
Isaiah Austin, Baylor, C
Melvin Ejim, Iowa State, F
Amath M'Baye, Oklahoma, F
Steven Pledger, Oklahoma, G
Le'Bryan Nash, Oklahoma State, G/F
All-Big 12 Honorable Mention
Cory Jefferson (Baylor)
Korie Lucious (Iowa State)
Tyrus McGee (Iowa State)
Elijah Johnson (Kansas)
Shane Southwell (Kansas State)
Michael Cobbins (Oklahoma State)
Jaye Crockett (Texas Tech)
Eron Harris (West Virginia)
Deniz Kilicli (West Virginia)
Big 12 All-Defensive Team
Chris Babb, Iowa State, G
Travis Releford, Kansas, G
Jeff Withey, Kansas, C
Angel Rodriguez, Kansas State, G
Michael Cobbins, Oklahoma State, F
Marcus Smart, Oklahoma State, G
Big 12 All-Rookie Team
Isaiah Austin, Baylor, C
Will Clyburn, Iowa State, G
Georges Niang, Iowa State, F
Ben McLemore, Kansas, G
Amath M'Baye, Oklahoma, F
Marcus Smart, Oklahoma State, G
