In 1988, after two seasons in which the North Stars finished below .500 and had consecutive fifth-place finishes in the Norris Division, Nanne resigned from the North Stars citing health reasons and left the organization entirely in 1991.
Nanne quit the North Stars in 1988 following two seasons where the team's performance was below .500 and they finished fifth twice consecutively in the Norris Division. He left the organization completely in 1991 citing health concerns.