NASCAR's revenue-sharing charter system is under threat of being disbanded according to a Wednesday counterclaim filed by the stock car series against Michael Jordan-owned 23XI Racing and Front Row Motorsports that singles out Jordan's longtime business manager.

NASCAR fires back at 23XI Racing and Front Row Motorsports with a lawsuit, alleging they orchestrated a scheme to pressure the sport into submission.

NASCAR filed a countersuit Wednesday in U.S. District Court against 23XI Racing, Front Row Motorsports and 23XI Racing co-owner Curtis Polk. Here are questions and answers about the matter: 23XI Racing and Front Row Motorsports filed an antitrust lawsuit against NASCAR and NASCAR Chairman Jim France on Oct.