'Roswell' star Katherine Heigl is to star opposite Johnny Knoxville in Fox Searchlight's
The Ringer, according to the Hollywood Reporter.
'Ringer' sees Knoxville's character posing as a mentally disabled man competing in the Special Olympics in order to pay off a debt and dethrone reigning champ Jimmy. Heigl will star as the love interest of Knoxville's character.
The project, which was scripted by the Farrelly brothers, will see Barry Blaustein direct.