05/22/2009 05:12 am ET | Updated May 25, 2011

Christian Bale And Mark Wahlberg To Costar In 'The Fighter'

The Dark Knight has signed on to join Wahlberg in The Fighter, a years-in-development biopic following Boston's world lightweight champ "Irish" Mickey Ward.

Per Variety, Bale will step into the ring as Ward's trainer/half-brother Dicky Eklund, who was sentenced to serve a decade in state prison after a crime spree but who redeems his drug-addled life by helping his bro's career undergo a Rocky-like transformation.

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