These are the 1973 Sutherland Cup playdowns for the Ontario Hockey Association's Junior B championship.
Teams
- Burlington Mohawks (1972-73 CJBHL Season Champions)
- Hamilton Mountain Bees (1972-73 NDJBHL Season Champions)
- Owen Sound Greys (1972-73 MOJBHL Season Champions)
- Sarnia Bees (1972-73 WJBHL Season Champions)
- Toronto Nationals (1972-73 MetJHL Season Champions)
- Windsor Royals (1972-73 GLJHL Season Jr. B Champions)
Playdowns
Quarter-final
- Sarnia Bees defeated Windsor Royals 4-games-to-none
- Sarnia 6 - Windsor 5
- Sarnia 6 - Windsor 5
- Sarnia 4 - Windsor 3
- Sarnia 7 - Windsor 3
Semi-final
- Sarnia Bees defeated Hamilton Mountain Bees
- Sarnia 6 - Hamilton 3
- Hamilton 5 - Sarnia 3
- Rest of series currently missing
- Toronto Nationals defeated Owen Sound Greys 4-games-to-3
- Toronto 7 - Owen Sound 5
- Owen Sound 4 - Toronto 2
- Toronto 6 - Owen Sound 3
- Owen Sound 6 - Toronto 3
- Toronto 7 - Owen Sound 0
- Owen Sound 3 - Toronto 2
- Toronto 7 - Owen Sound 4
Final
- Sarnia Bees defeated Toronto Nationals 4-games-to-2
- Sarnia 10 - Toronto 1
- Toronto 7 - Sarnia 1
- Sarnia 4 - Toronto 3
- Toronto 7 - Sarnia 4
- Sarnia 4 - Toronto 1
- Sarnia 6 - Toronto 4 OT
Game Ads
Quarter Final @ Windsor
Semi Final @ North York