Mud has Matthew McConaughey as its lead.
The National Roller Derby League -LRB- NRDL -RRB- , also once promoted as Roller Derby 2000 , Roller Blazing Derby League -LRB- RBDL , or just Roller Blazing Derby -RRB- and Roller Derby USA , is a professional roller derby league .. professional. professional sports. roller derby. roller derby. The NRDL consists of teams that train and compete on banked tracks in the coastal cities of Southern California .. Southern California. Southern California. California. California. The NRDL is incorporated in the State of California under the name Roller Derby Inc. .. California. California