Connor Hill scored 19 points and Kyle Barone added 15 points and 12 rebounds to lead Idaho to a 66-63 victory against San Jose State on Saturday night.
The Vandals (9-12, 5-6 Western Athletic) held on despite not getting a field goal in the last 5:22.
D.J. Brown had 18 points and Nick Grieves and Louis Garrett added 10 each for the Spartans (9-13, 3-8). Chris Cunningham had five points and 18 rebounds.
Barone's layup gave Idaho a 56-52 lead and was its last successful shot from the floor. But the Vandals protected the lead by going 10 for 12 from the free-throw line down the stretch.
James Kinney, who leads San Jose State with his 20.2 points per game, missed a seventh straight game due to a suspension for violating team rules.