▁L akers ▁are ▁Senior ▁" A " ▁box ▁lac ros se ▁team ▁from ▁Peter borough , ▁Ontario . ▁ ▁They ▁play ▁in ▁the ▁Major ▁Series ▁Lac ros se ▁league ▁where ▁under ▁the ▁current ▁format , ▁they ▁comp ete ▁in ▁ 1 6 ▁regular ▁season ▁games ▁from ▁May ▁through ▁July ▁and ▁play offs ▁beginning ▁in ▁August ▁and ▁ending ▁with ▁the ▁Mann ▁Cup ▁in ▁September . ▁The ▁L akers ▁play ▁their ▁home ▁games ▁at ▁the ▁ 4 , 3 2 9 - se at ▁multip ur pose ▁Peter borough ▁Memorial ▁Centre . ▁ ▁Championships ▁Peter borough ▁has ▁won ▁the ▁Ontario ▁Championship ▁ 2 6 ▁times ▁in ▁total ▁( 1 9 5 1 ▁to ▁ 1 9 5 7 , ▁ 1 9 5 9 , ▁ 1 9 6 6 , ▁ 1 9 7 0 , ▁ 1 9 7 3 , ▁ 1 9 7 8 , ▁ 1 9 7 9 , ▁ 1 9 8 2 ▁to ▁ 1 9 8 4 , ▁ 2 0 0 4 ▁to ▁ 2 0 0 7 , ▁ 2 0 1 0 , ▁ 2 0 1 2 , ▁ 2 0 1 5 , ▁and ▁ 2 0 1 7 ▁to ▁ 2 0 1 9 ) ▁and ▁the ▁Mann ▁Cup ▁ 1 7 ▁times ▁in ▁total ▁( 1 9 5 1 ▁to ▁ 1 9 5 4 , ▁ 1 9 6 6 , ▁ 1 9 7 3 , ▁ 1 9 7 8 , ▁ 1 9 8 2