The Playoffs
| Regionals | Semi-finals | Finals | |||||||||||
| Sask | Humboldt Broncos | 1 | |||||||||||
| Man | Portage Terriers | 4 | |||||||||||
| Man | Portage Terriers | 4 | |||||||||||
| Western Canada | |||||||||||||
| BC | Penticton Broncos | 3 | |||||||||||
| BC | Penticton Broncos | 4 | |||||||||||
| Alta | Calgary Canucks | 1 | |||||||||||
| Ont | Pembroke Lumber Kings | 1 | |||||||||||
| Man | Portage Terriers | 4 | |||||||||||
| Ont | Pembroke L. Kings | 4 | |||||||||||
| Ont | Chatham Maroons | 3 | |||||||||||
| Ont | Pembroke L. Kings | 4 | |||||||||||
| Eastern Canada | |||||||||||||
| PQ | St. Jerome Alouettes | 1 | |||||||||||
| PQ | St. Jerome Alouettes | 4 | |||||||||||
| NB | Moncton Hawks | 1 | |||||||||||
Prior to Regionals
- Chatham Maroons (SOJHL) defeated Wexford Raiders (OPJHL) 4-games-to-3
- Moncton Hawks (NBJHL) defeated Buchans Miners (NLJHL) 4-games-to-none
- Pembroke Lumber Kings (CJHL) defeated St. Paul Vulcans (CAJHL) 4-games-to-1
Read more about this topic: 1973 Centennial Cup