Marial Shayok scored 20 points, Michael Jacobson had 14 points and 10 rebounds and Iowa State beat No. 8 Texas Tech 68-64, handing the Red Raiders their first Big 12 loss.
The Cyclones stopped a two-game losing streak coming off a 17-point win over No. 7 Kansas that gave them a 2-0 start in conference.
The Red Raiders were the last team without a conference loss and missed on a chance for their first 5-0 start in the Big 12, going back to 1996-97.
