Keyonte George scored five straight points that gave Baylor the lead for good and finished with 19 and the 11th-ranked Bears beat Washington State 65-59.
James Akinjo matched his career high with 27 points, Adam Flagler scored 22 and top-ranked Baylor stretched its national-best winning streak to 20 games with an 84-74 win over Oklahoma.
Baylor reached the Final Four for the first time in 71 years, getting 22 points from MaCio Teague and a dominating defensive performance from Davion Mitchell to beat Arkansas 81-72.
MaCio Teague scored 35 points while matching a school record with 10 made 3-pointers and No. 3 Baylor beat No. 18 Texas Tech 88-73 in the regular season finale.