Philadelphia traded him to the Toronto Maple Leafs for a fifth-round pick in the 1996 NHL Entry Draft on July 8, 1995. With Toronto Zettler enjoyed his most productive season in 1996-97, scoring 2 goals and adding 12 assists for 14 points. After being left unprotected by the Maple Leafs he was claimed by the Nashville Predators in the 1998 NHL Expansion Draft.