 One of his teammates was future Baseball Hall-of-Famer Dave Winfield.After his college career ended in 1973, Behagen was drafted by the Kentucky Colonels in the 1973 American Basketball Association draft and by the Kansas City Kings in the first round of the 1973 NBA draft.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.