Jake Gyllenhaal kept his head covered Saturday as he left his gym in LA. He was wearing a Stand Up to Cancer hoodie, supporting the organization known for its star-studded telethon in 2008. Jake kicked off his weekend continuing to tone his action hero abs with another workout. He's been focusing on fitness lately — that is, when he isn't enjoying nights out with his boys. Meanwhile he has fun news to celebrate since Prince of Persia just became the highest grossing video game movie ever, crossing the $300 million mark at the global box office.
To see more photos of Jake working on his fitness, just