Markieff and Marcus Morris scored 20 points apiece, leading the Kansas men's basketball team to a 90-83 victory over Colorado on Friday night at Sprint Center in Kansas City, Mo.
With the victory, KU (31-2) advances to Saturday's 5 p.m. championship game against either Texas A&M or Texas.
Markieff posted his 20 points on 6-for-10 shooting with eight rebounds, while Marcus made 5 of 12 shots to go with 13 rebounds, four assists, three steals and four turnovers.
The Jayhawks were outstanding from the free-throw line, making 29 of 33 shots there (87.9 percent). KU also outrebounded CU, 41-26.
Alec Burks led CU with 23 points on 9-for-18 shooting. Cory Higgins, who had 28 points on Thursday against Kansas State, posted just six points on 1-for-11 shooting.