Národní liga ragby
The Národní liga ragby is the second level of domestic club rugby union in the Czech Republic, below the first division, the Extraliga ragby. There is also one club from Slovakia in the league.
The season runs from mid-September to the end of May.
History
The league started out as the Druhá Liga, but was renamed the První Liga in the 1999-2000 season. For sponsorship reasons it has been called KB První Liga until the 2015/16 season.Current teams
2012–13 season| Club | Full name | City | Stadium |
| RC Bystrc | Rugby Club Brno Bystrc | Brno | N/A |
| RC Olomouc | Rugby Club Olomouc | Olomouc | N/A |
| RK Petrovice | Ragby Klub Petrovice | Petrovice | N/A |
| RC Přelouč | Rugby Club Přelouč | Přelouč | Rugbyové hřiště PARKHEM |
| RC Zlín | Rugby Club Zlín | Zlín | Stadion mládeže |
| RC Slovan Bratislava | Rugby Club Slovan Bratislava | Bratislava, Slovakia | Stadion Slovnaft |
| TJ Sokol Mariánské Hory | Tělocvičná jednota Sokol Mariánské Hory | Mariánské Hory | N/A |