 Zuffa accused the IFL of and sued them for illegally using proprietary information obtained by hiring executives from the UFC organization.The IFL responded with their own suit claiming that Zuffa was threatening potential partners not to work with the IFL, including Fox Sports Net (a deal with Fox Sports was later signed before resolution of the suit).The tension between the IFL and the UFC worsened with accusations that the IFL had attempted to buy out several top UFC fighters.