7. 2010-11 (28-8, 13-3, 2nd place in Big 12, one win over a Top 10 team and seeded 4th in the NCAA Tournament)
The Longhorns started off 11-0 in conference (23-3 overall) before collapsing towards the end of the season, including three of the last five games in conference play against unranked teams, which allowed Kansas to win the title outright on the last day of the regular season. Lost to Arizona in the second round of the Tournament.
6. 2006-07 (25-10, 12-4, 3rd place in Big 12, two wins over Top 10 teams and seeded 4th in the NCAA Tournament)
The Longhorns had a chance to win a three-way share of the regular season title with Kansas and Texas A&M, but lost 90-86 in Lawrence on the last day of the season, despite incredible heroics by Kevin Durant. Ended up losing in the second round of the NCAA Tournament.