Serena Williams Is Sports Illustrated Athlete of the Year

[LuteHawk]

The 34 year old tennis super star won 3 of the 4 Grand
Slam Titles in 2015. Serena is already acknowledged as
one of the greatest tennis players of all time. She deserved
this honor as she strives for being the leader in all-time
Grand Slam titles.

 

[LuteHawk]

Serena has 21 Grand Slam titles and Graf has 22.