The freshman, who sustained a knee injury in the second half but returned to the game, also perpetrated a pair of steals for the top-seeded Wildcats (36-2), who reached the NCAA Tournament national semifinals for the second straight year.
Michael Kidd-Gilchrist provided 19 points and Doron Lamb chipped in with 14 as Kentucky advanced to face Louisville in New Orleans Saturday.
Terrence Jones helped the Wildcats' cause with 12 points, nine rebounds, six assists and three blocks.
Third-seeded Baylor (30-8) was led by Quincy Acy with 22 points while Pierre Jackson added 21 in the Bears' loss.
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