Considered one of the fastest servers in Tennis (for his time ), Clark Graebner won numerous championships, went on (with Arthur Ashe) to lead the U.S. team to victory in the 1968 Davis Cup, and won the doubles title with Dennis Ralston at the 1966 French Championships where they defeated Ion Tiriac and Ilie Nastase. Take a trip back to 1969 with his sig shoe from Pro-Keds below.