Marquis Roshe Walker (born July 6, 1972) is a former an American football cornerback. He was signed as an undrafted free agent by the St. Louis Rams in 1996. He played college football at Southeast Missouri State University. Walker also played for the Washington Redskins, Oakland Raiders and Detroit Lions. His brother is Darnell Walker. References 1972 births Living people American football cornerbacks Detroit Lions players Oakland Raiders players Southeast Missouri State Redhawks football players St. Louis Rams players Washington Redskins players Players of American football from St. Louis