Desmond Bane added 14 points and was 5 of 5 from the field as the Horned Frogs (4-0) won their ninth straight game dating to their NIT championship season. Kenrich Williams contributed 11 points, six rebounds and six assists, and Jaylen Fisher had nine points and nine assists for TCU, which had 26 assists on 36 field goals.
Zach Jackson scored 17 points, and KJ Robinson had 11 points and eight assists for the Mavericks (0-5), who are over the hump in a stretch of nine straight road games to start the season.
Omaha committed 26 turnovers -- 13 in each half.
The Horned Frogs enjoyed a 50-28 halftime lead despite missing 10 of their final 16 shots from the field.
Brodziansky, Williams and Bane scored seven points apiece in the first 20 minutes, with Brodziansky grabbing five rebounds and Fisher delivering six assists.
TCU took control early with a 20-6 run that gave them a 35-14 lead. The Horned Frogs were 12 of 17 from the field at that point.
Ahmed Hamdy-Mohamed scored six of his 10 points during the burst and Bane had five, including a 3-pointer.
TCU, which improved to 21-2 in its last 23 November games, maintained a comfortable advantage in the second half as Bane scored five straight points, including a dunk that made it 53-39 with 12:14 remaining.
The Horned Frogs enjoyed their largest margin at 93-51 with 4:58 to play.