1973 Sutherland Cup

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