Turning 30 in the sport of tennis generally means that you're on
the downside of your career.  Not if you're Roger Federer.
Federer won more singles titles in 2012 than in any year since
2007. Federer, now 31, went 71-12 in singles matches in 2012, a
statistic that was also better in than the previous five years.
How long can Federer keep this up? Here is what he needs to do
to keep it going in 2013.   Stay Healthy  Clive Brunskill/Getty
Images  Federer benefited from an unhealthy Rafael Nadal and a
more inconsistent Novak Djokovic compared to his 2011 campaign.
However, Federer benefited most because of his nutrition and
ability to stay away from the injury bug.  30 years of age is
really closer to 35 in tennis years—your body wears down
quicker, you get more fatigued and your shot consistency is
bothered.  Not Federer.  He keeps himself in magnificent shape,
and his game allows him to stay healthy. Nadal is a more
aggressive player who does more harm to his body on the tennis
court.  His willingness to di