San Francisco's six-time Pro Bowl linebacker took part in an internship over the bye week.
Joe Staley went to work for Infinity Ward, the developer of one of the most popular video games around, "Call of Duty: Ghosts."
Willis, an avid video gamer himself, had an opportunity to learn the ins and outs of making a quality video game. The 49ers linebacker's experience was also documented by ESPN's "SportsNation."
