Raymond Lester Armstrong, III (born October 5, 1965), nicknamed Trace Armstrong, is a former American college and professional football player who was a defensive end in the National Football League (NFL) for fifteen seasons from the late 1980s to the early 2000s. Armstrong played college football for Arizona State University and the University of Florida, and was recognized as an All-American. A first-round pick in the 1989 NFL Draft, he played professionally for the Chicago Bears, the Miami Dolphins and the Oakland Raiders of the NFL. Armstrong was formerly the president of the NFL players' union, and he currently works as a sports agent.