Kammala jumla mai zuwa: Barin Minnesota, Clarke ya koma Philadelphia don ɗaukar matsayin Babban Mataimakin Shugaban Kasa a lokacin kakar wasa ta 1992-93, kuma ya zama jagora ga saurayi mai suna Eric Lindros a lokacin farkonsa. Clarke ya ci gaba ba da daɗewa ba bayan haka kuma ya ɗauki matsayin babban manajan tare da fadada Florida Panthers, ƙungiyar da ta kafa rikodin ƙungiyar fadada don cin nasara da maki a lokacin kakar wasa a 1993-94. Ya koma matsayin babban manajan Flyers kafin kakar wasa ta 1994-95 (an biya Florida da tsabar kudi kuma Philadelphia ta zaɓa zagaye na biyu a cikin
1994 NHL Entry Draft), kuma ya sake gina tawagar a cikin gasar cin kofin. A lokacin wa'adinsa na biyu a matsayin babban manajan Flyers, kungiyar ta yi wasan karshe a kakar wasa 11 a jere amma ta kai wasan karshe sau daya (1997). Bayan mummunan farawa zuwa kakar 2006/07, Clarke ya yi murabus yana mai cewa zai iya ƙonewa da rashin sha'awar. Clarke ya koma ikon mallakar a ranar 4 ga Disamba, 2006, kuma an nada shi Babban Mataimakin Shugaban.