ottawa
No Maximum but a minimum of 20 canadians
19 players and up to three quarterbacks.
Winnipeg Blue Bombers, who have played in 24, winning 10.
CFL. It must be short for RoughRiders. There is no team called the "Riders" in the NFL. However, there is a team called the Raiders.
Ricky Williams played for the CFL Toronto Argonauts.
Montreal Alouettes
In a typical CFL season, each of the nine teams plays 18 regular-season games. This means there are a total of 81 games in the regular season. The season also includes playoff games leading up to the Grey Cup championship.
Only once, by Baltimore Stallions in 1995.
It has been announced that in 2014 the Ottawa Redblacks will become the ninth team in the CFL.
none
The teams that share a name between the NFL and CFL are the Detroit Lions of the NFL and the British Columbian Lions of the CFL.