Nick Okorie scored 19 points and D'walyn Roberts had 15 as Texas Tech took a commanding 77-54 win against Lamar on Saturday night.
Roberts also led his team with nine rebounds, and John Roberson had 11 points.
Okorie also sunk a half-court shot at the end of the first half to put the Red Raiders (5-0) up by 10.
The Cardinals (2-2) shot just 38 percent from the floor, while the Red Raiders hit almost 46 percent.
Lamar's Justin Nabors led the game in rebounds with 10. Charlie Harper led his team on points with 12. But Lamar couldn't overcome making 21 turnovers, which led to 29 points for Texas Tech.
The Red Raiders scored 35 points by players coming off the bench.