Jake Gyllenhaal -- The Ripped One 10/1/2009 3:38 PM PT With his rippling biceps in full display, Jake Gyllenhaal worked up a sweat while listening to music on a jog through Pittsburgh on Wednesday. The buff 28-year-old really knows how to pump up the jams. More Jake Gyllenhaal Jake & Reese -- A Perfect MatchRiding Jake GyllenhaalJake Gyllenhaal -- Ripped for Her Pleasure Share on Facebook Share on X Jake Gyllenhaal Hot Bodies Beauty Paparazzi Photo