The McDiarmid Shield is awarded to the winner of the MAHA Intermediate 'A' playoffs.
Winners[]
- 1949 Neepawa Natives
- 1950 Letellier Maple Leafs
- 1951 Dauphin Kings
- 1952 Dauphin Kings
- 1953 Dauphin Kings
- 1954 Dauphin Kings
- 1955 Brandon Wheat Kings
- 1956 Minnedosa Jets
- 1963 Selkirk Fishermen