Vitali Klitschko, on December 13, 2009, retained his WBC heavyweight title, scoring a unanimous points decision over - of the United States in Bern.

Vitali Klitschko, on December 13, 2009, retained his WBC heavyweight t

1.	Vitali Klitschko, on December 13, 2009, retained his WBC heavyweight title, scoring a unanimous points decision over - of the United States in Bern.
A.	David Clayton
B.	Kevin Johnson
C.	Mark Richardson
D.	Alex Montfort
Answer» C. Mark Richardson