Tennis: Men's singles players who have held the No. 1 ranking in ATP Tour history

Every man who has held the top spot in singles since the inception of the ATP Tour's rankings on August 23, 1973.

      

from USATODAY - Sports Top Stories http://rssfeeds.usatoday.com/~/600306304/0/usatodaycomsports-topstories~Tennis-Menaposs-singles-players-who-have-held-the-No-ranking-in-ATP-Tour-history/
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