Roger Federer fought back tears while thanking his family and saying goodbye to tennis over the weekend at the Laver Cup in London.<br /><br />Federer will retire as one of the greatest players in the history of the sport, with 20 major singles titles in his illustrious career.<br />» Sign up for our newsletter KnowThis to get the biggest stories of the day delivered straight to your inbox: https://go.nowth.is/knowthis_youtube<br />» Subscribe to NowThis: http://go.nowth.is/News_Subscribe<br /><br />For more sports news, subscribe to NowThis News.<br /><br />#sports #tennis #rogerfederer #Politics #News #NowThis
