Madison was 7 of 14 from the field and pulled six rebounds. Barone added eight rebounds and three assists to his point total and Connor Hill chipped in with 11.
Idaho (2-4) shot 42 percent from the field, hitting 21 of 50 shot attempts, and out-rebounded the Aggies 35 to 24. The Vandals were up 38-35 at halftime and led by as many as 13 in the second half.
Corey Hawkins led UC Davis (1-4) with 20 points and six assists. Ryan Sypkens had 14 points and Ryan Howley had nine points and 10 rebounds. The Aggies were 25 of 53 from the field, shooting at 47.2 percent, and shot 28 3-pointers, only to make eight.
There's nothing to suggest the Jayhawks won't end up atop the Big 12 for a 13th season in a row. But what about a return to the Final Four?
Colorado State graduate transfer John Gillon has chosen Syracuse, giving the Orange a potential starter at point guard entering the 2016-17 season.
DeSean Murray, who averaged 20.2 points as a sophomore at Presbyterian, will transfer to Auburn to play for coach Bruce Pearl.