They were asked by the broadcast's title sponsor to create a French language glossary of baseball terminology; previously--particularly in the Montreal Royals days--broadcasters would use the English for concepts without a French equivalent.
They were asked by the Carling-O'Keefe brewery, the title sponsor for the French-language broadcasts, to create a French language glossary of baseball terminology. Previously, particularly in the Montreal Royals days, French broadcasters would use English for baseball concepts that didn't have a French equivalent.