Tour Finals helped make me a star: Federer
A multiple exposure photograph shows Argentina's Juan Martin del Potro as he serves to Spain's David Ferrer during their match at the ATP World Tour Finals in the O2 Arena in London on Tuesday. Dylan Martinez / Reuters |
Roger Federer celebrated his record-breaking 40th victory at the ATP Tour Finals by taking a trip down memory lane as the Swiss star recalled his breakthrough performances at the season-ending event.
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