Nadal beats Wawrinka, clinches year-end No. 1 rank at ATP Finals
Rafael Nadal has maintained a high level of momentum this year which propelled him to the No. 1 spot.
Clive Brunskill/Getty Images
Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
We've Got Apps Too
Get expert analysis, unrivaled access, and the award-winning storytelling only SI can provide—from Peter King, Tom Verducci, Lee Jenkins, Andy Staples, Grant Wahl, and more—delivered straight to you, along with up-to-the-minute news and live scores.