Velasquez and GSP take to the Silver Screen for Kickboxer: Vengeance

Certain things are untouchable. At least that was the feeling when it was announced that the “Kickboxer” series was going to get another sequel. The 1989 original, starring Jean-Claude Van Damme, was a classic to fans of fighting films, while the subsequent four sequels were, well, not classics. Former UFC champions George St-Pierre and Cain Velasquez were equally skeptical when asked about appearing in “Kickboxer: Vengeance,” which opens on Friday, but then they got the