BYU. If he had a 3 point line, he would have conservatively scored an additional 3-4ppg. That's an additional 300-400 points for his career.
With no shot clock, teams often played stallball to run minutes off the clock at a time to keep the ball away from him. There was even one game against Wyoming where the final score was in the teens because the Pokes sat on the ball the entire game. The lack of a shotclock easily cost him another 200-300 points for his career.