1. He is training for a prizefight.

2. In case there ambiguity here, that page is the prizefight one.

3. No other event in sport, except possibly a prizefight, is as punishing, as demanding of the mind and body.

4. "Using his camera as a sandpaper block, Kubrick has stripped away the veneer from the prizefight and dancehall worlds, " the New York Mirror proclaimed.

5. Analogised to a prizefight (irrespective of the fact I'm definitively anti-pugilist--is not boxing, per se, redolent of cock fighting "events" in the U.S