The 40-year-old actor currently has a movie about fighter Sugar Ray Robinson in development, and though it is a role he'd love, he's still unsure whether he'll take it on or remain behind the camera, reported Contactmusic.
"I have very real ambitions of playing a boxer. Whether I get to play him - or, I should say, whether I choose to play him or end up just producing that one - that's something that remains to be seen," David said.