On Tuesday the Chicago Bears announced that they have signed third-round draft pick Velus Jones Jr. to a four-year rookie contract. The 25-year old wide receiver and return specialist from Tennessee has already made an impression at Halas Hall with his professionalism and preparedness. “He’s all business,” Chicago offensive coordinator Luke Getsy said of Jones following rookie minicamp. “I loved the way he came in, his approach.” “He’s a physically mature dude,” Getsy added. “I mean, he can handle this league, you can see that already. Then the speed just jumped at you on tape. When that guy gets the…