BOISE, Idaho (AP) Chidi Udengwu hit two free throws as time expired as Idaho State battled back from 18 points down in the second half to spoil Boise State's season opener, 72-70 on Saturday night.

Udengwu, a 6-foot-7 transfer from San Bernardino Valley Community College, scored five points in the final seven minutes of the game, including the second of two free throws with :54 left to tie the game at 70-70.

Idaho State trailed by 14 points at intermission and Boise State extended its advantage to as many as 18 points after Zach Haney scored at the basket to make it 50-32 with 16:45 remaining. Brandon Boyd hit a 3 with 12:17 left to get the Bengals within single digits and Jared Stutzman's 3 with 8:28 remaining cut it to five, 61-56.