CUP CHAMPIONS 1973 Lost Final Guelph CMC's defeated Detroit Jr. Red Wings 4-games-to-none Guelph CMC's defeated Windsor Spitfires 4-games-to-none Chatham Maroons defeated Guelph CMC's 4-games-to-3 with 1 tie 1974 Lost Quarter-final Chatham Maroons defeated Guelph CMC's 4-games-to-none with 1 tie 1975 Won League, Won OHA Buckland Cup, Won Hewitt-Dudley Memorial Trophy, Lost 1975 Centennial Cup Guelph CMC's defeated Welland Sabres 4-games-to-1 Guelph CMC's defeated Chatham Maroons 3-games-to-2 with 2 ties Guelph CMC's defeated Windsor Spitfires 4-games-to-3 with 1 tie SOJHL CHAMPIONS Guelph CMC's defeated Toronto Nationals (OPJHL) 4-games-to-2 BUCKLAND CUP CHAMPIONS Guelph CMC's defeated Thunder Bay Eagles (TBJHL) 4-games-to-1 Guelph CMC's defeated Smiths Falls Bears (CJHL) 4-games-to-2 HDM TROPHY CHAMPIONS Spruce Grove Mets (AJHL) defeated Guelph CMC's 4-games-to-2 1976 Won League, Won OHA Buckland Cup, Lost Hewitt-Dudley Memorial Trophy semi-final Guelph Platers defeated Welland Sabres 4-games-to-1 Guelph Platers defeated Chatham Maroons 4-games-to-none SOJHL CHAMPIONS Guelph Platers defeated North Bay Trappers (OPJHL) 4-games-to-1 BUCKLAND CUP CHAMPIONS Guelph Platers defeated Thunder Bay Eagles (TBJHL) 4-games-to-1 Rockland Nationals (CJHL) defeated Guelph Platers 4-games-to-3 1977 Won League, Lost OHA Buckland Cup Guelph Platers defeated Owen Sound Greys 4-games-to-2 with 1 tie Guelph Platers defeated Collingwood Blues 4-games-to-none SOJHL CHAMPIONS North York Rangers (OPJHL) defeated Guelph Platers 4-games-to-3 OPJHL Years 1978 Won League, Won Hewitt-Dudley Memorial Trophy, Won 1978 Centennial Cup Guelph Platers defeated Wexford Raiders 4-games-to-none Guelph Platers defeated North Bay Trappers 4-games-to-2 Guelph Platers defeated Royal York Royals 4-games-to-1 OPJHL CHAMPIONS Guelph Platers defeated Degagne Hurricanes (TBJHL) 4-games-to-none Guelph Platers defeated Pembroke Lumber Kings (CJHL) 4-games-to-1 Guelph Platers defeated Charlottetown Eagles (IJHL) 4-games-to-2 HDM TROPHY CHAMPIONS Guelph Platers defeated Prince Albert Raiders (SJHL) 4-games-to-none CENTENNIAL CUP CHAMPIONS 1979 Won League, Won OHA Buckland Cup, Won Dudley Hewitt Cup, Lost 1979 Centennial Cup round robin Guelph Platers defeated Markham Waxers 4-games-to-none Guelph Platers defeated North York Rangers 4-games-to-none Guelph Platers defeated Dixie Beehives 4-games-to-1 OPJHL CHAMPIONS Guelph Platers defeated Nickel Centre Native Sons 2-games-to-none BUCKLAND CUP CHAMPIONS Guelph Platers defeated Thunder Bay North Stars (TBJHL) 4-games-to-none Guelph Platers defeated Hawkesbury Hawks (CJHL) 4-games-to-2 DUDLEY HEWITT CUP CHAMPIONS Third and eliminated in 1979 Centennial Cup round robin (1-3) 1980 Lost Quarter-final North York Rangers defeated Guelph Platers 4-games-to-3 1981 Lost Final Guelph Platers defeated Brampton Warriors 4-games-to-none Guelph Platers defeated North York Rangers 4-games-to-3 Belleville Bulls defeated Guelph Platers 4-games-to-1 1982 Won League, Won OHA Buckland Cup, Won Dudley Hewitt Cup, Won Eastern Canada Championship,