Kammala wannan jumla: Numminen ya fara aikinsa tare da ƙungiyarsa ta gida, Tappara, a cikin SM-liiga. An tsara shi a zagaye na biyu (na ashirin da tara) a cikin
1986 NHL Entry Draft ta Winnipeg Jets, Numminen ya koma Arewacin Amurka a 1988 don yin wasa da Jets. Ya koma tare da ƙungiyar yayin da ya zama Phoenix Coyotes kafin kakar 1996 <unk> 97. Ya taka leda a NHL All-Star Game a 1999, 2000 da 2001. Bayan shekaru goma sha biyar yana wasa da kungiyar Winnipeg / Phoenix, an yi ciniki da Numminen zuwa Dallas Stars a watan Yulin 2003, don Mike Sillinger. Numminen ya ɗauki hutu daga wasan hockey yayin kulle-kullen NHL na 2004 <unk> 05, sannan ya sanya hannu a matsayin ɗan wasa kyauta tare da Buffalo Sabres.