JT Toppin had 30 points and 14 rebounds to lead No. 9 Texas Tech over Big 12 opponent Colorado 91-75 in Lubbock, Texas, in the Red Raiders’ final home game of the season.Texas Tech (23-7, 14-5 Big 12) remains in a second-place tie with No. 24 Arizona in the conference before the teams meet in their regular-season finale on Saturday in Tempe, Ariz. Texas Tech has won two straight and five of its past seven games.The Buffaloes (11-19, 2-17) have lost three consecutive games and four of their past five. Colorado, which started 0-13 in the conference, ends its season against TCU on Saturday in Boulder, Colo.Toppin was 10 of 17 from the floor, including 2 of 2 from behind the 3-point arc. The Red Raiders were 16 of 33 from deep.Chance McMillian had 15 points on 6 of 8 shooting, including 3 of 4 on 3-pointers. Christian Anderson and Kerwin Walton each had 12 points and combined to shoot 7 of 15 from long range.Texas Tech never trailed and built a 45-33 at halftime. They led by as much as 20 in the second half as Colorado struggled from outside, shooting 3 of 14 from behind the arc.