There is no professional team in Montreal that I know of.
The former Major League Baseball team located in Montreal was the Expos. The team relocated to Washington D.C. as the Nationals.
the Montreal Expos
Montreal and Toronto - the Montreal Expos an the Toronto Blue Jays. However, Montreal is no longer a team.
There is no Montreal basketball team.
Montreal Expos (MLB) (1977-2004)
Montreal Expos in 1969.
The Montreal Royals were not a Major League Baseball team in 1947. The Royals were a minor league team and a member of the International League. The two major league teams they were associated with were the Philadelphia Athletics and the Brooklyn/Los Angeles Dodgers.