The community came together Saturday afternoon in downtown Vicksburg to mark Dr. Martin Luther King Jr. Day with a parade, a cookout and four world champion boxers. During the 2 p.m. parade down Washington Street, former heavyweight champion boxers – Evander Holyfield, Riddick Bowe, Ray Mercer and James Toney – each rode through the parade route in a separate vehicles smiling, waving and talking to the crowd gathered on the street.