In the 2006–2007 Big 12 Coaches Awards, Chalmers was named Co-Defensive Player of the Year with Marcus Dove of Oklahoma State. Chalmers was also voted on the All Big 12 Third Team, and the All Big 12 Defensive Team.
In the 2007–2008 season, Chalmers was named Big 12 All-Defensive First Team and All Big 12 Second Team. He was also named Most Outstanding Player of the 2008 NCAA Championship.[3]
Chalmers averaged 12.8 points per game during his junior year. He also led the team in assists per game, with 4.3; 3-point shooting accuracy, at 46.8%; and steals, with 97. His 97 steals tied the school's single season record, a record he set as a sophomore. He scored 30 points in Kansas' win in the Big 12 Conference tournament title game against Texas.
He was named Big 12 All-Defensive First Team and All Big 12 Second Team.[6]
Chalmers helped his team win the 2008 NCAA Championship with a three-point shot with 2.1 seconds left in the final game (often referred to as Mario's Miracle). His three just before the end of regulation brought the game into overtime, when Kansas would take over and beat the Memphis Tigers.[2] Chalmers was named Most Outstanding Player of the tournament. It was the Jayhawks' 5th national title (including two pre-tournament titles in 1922 and 1923). He was on the defensive first team in the NCAA.[3]
Year Games Played Minutes/Game Points/Game Rebounds/Game Assists/Game Turnovers/Game