NBA All-Rookie Team
Behagen played seven seasons of professional basketball in the NBA as a member of the Kansas City Kings, New Orleans Jazz, Atlanta Hawks, Houston Rockets, Indiana Pacers, Detroit Pistons, New York Knicks, and Washington Bullets and in Italy for Antonini Siena. He received NBA All-Rookie Team honors in 1974. In his NBA career, he averaged 10.3 points and 7.0 rebounds per game.