Childhood buddies Ben Affleck and Matt Damon are set to team up again and are in negotiations for a producing deal at Warner Brothers. The duo,who haven't yet named their new banner previously partnered as producers at Disney-based 'LivePlanet' along with Chris Moore and Sean Bailey where they produced the documentary series 'Project Greenlight',Variety reported online. Affleck 37,and Damon 39,first collaborated as writers and actors in the 1997 film,'Good Will Hunting' that fetched an Oscar for the Best Original Screenplay. Both the actors have worked at Warner Bros recently,with Affleck directing and starring in action flick 'The Town' while Damon acted in 'The Informant',and 'Invictus' for which he has also been nominated in the Best supporting actor category at this year's Oscars.