The second tier of Uruguayan Football
12 teams
Play each other twice (22 games)
1st and 2nd place automatically promoted
3rd - 6th play in promotion play-off
Bottom team is relegated
11th place will play a relegation play-off against the runner up from the league below
There must be no more than 3 foreign players in the starting 11 and no more than 6 in the squad
Plus
Optional (historic and transfer links)
*As always this is only a suggestion, the leagues listed are in order of importance, feel free to run as many or as little leagues as you think your system can handle. The setup above gives a nice regional feel.
It is advisable however to run as many top tier leagues of major nations as you can to keep the continental club competitions competitive