String Savers: Another Piece of the Puzzle in Roger Federer's Racquet Setup - peRFect Tennis
Roger Federer admits retirement discussions are underway with Wimbledon and Olympics in play - Eurosport
Jonathan on Twitter: "The best thing about the Federer Google Glass vid is seeing he still uses 19x16 string pattern + 10 string savers - http://t.co/18IgXourQA" / Twitter
Why Roger Federer Is the Greatest Champion in Any Sport | Stadium Talk
String Savers: Another Piece of the Puzzle in Roger Federer's Racquet Setup - peRFect Tennis
Roger Federer's Real Racket — TennisCraft
wimbledon 2015 saturday1 federer sampras | ATP Tour | Tennis
Roger Federer's Racquet Setup - What strings does Federer use?
Racquet Quest | High Performance Tennis Racquet Services