It was the opening game for the Spartans, who fell behind 35-16 late in the first half before closing to 42-28 by the intermission. The Broncos put the game away early in the second half, opening a 63-43 lead with 13:01 remaining in the game before San Jose State rallied.
The Spartans got it to within eight points five different times in the late going, but could not get any closer.
Brandon Clark led the Broncos with 23 points and five assists, while Jerry Brown came off the bench to post a double-double with 16 points and 10 boards. Jared Brownridge added 15 points and reserve Denzel Johnson scored 11 points.
Clark scored 17 points after halftime to help the Broncos put the game away.
Jaleel Williams paced San Jose State with 20 points, reserve Rashad Muhammad added 15 and Chris Cunningham scored 12 points and grabbed a team-high seven rebounds before fouling out. Two other Spartan starters, guards Jalen James and Isaac Thornton also picked up five fouls. Reserve D.J. Brown handed out six assists for San Jose State.
Santa Clara goes on the road for the first time Saturday afternoon, visiting Cal State Fullerton (1-0) for a 3 p.m. tipoff.
San Jose State heads to the NIU Invitational in Dekalb, Ill., Friday through Sunday. The Spartans play Milwaukee (1-1) on Friday at 3:30 p.m. Pacific, face host Northern Illinois (0-1) at 6 p.m. Pacific on Saturday and square off with James Madison (0-1) at 11 a.m. Pacific on Sunday.