Check This Out! And now Ja has unveiled perhaps the finest cultural contribution of his career. "One minute you're on top of the world, the next it's all different," Ja Rule says. After his reign at the top from roughly 1999-2002, Ja Rule's career took a major downfall. JaRule has had a full music career that spans a bevy of highs and lows. In a new Foot Locker commercial, the former Murder Inc affiliated shows off his acting skills.