Swiss star Roger Federer has confirmed he will play in the Davis Cup first round meeting with the United States at Freiburg on Feb. 10 to 12, the Swiss Tennis Federation said Wednesday. The world No. 3 generally competes in World Group playoff encounters but has not played an opening round since 2004. Djokovic wins record prize Novak Djokovic has ended the season with a record $12.6 million in prize money. The 24-year-old Serb won 10 titles in 2011, including three Grand Slams, to easily beat the previous record of $10.1 million shared by Rafael Nadal for his 2010 season and Roger Federer for 2007. Djokovic moved ahead of Andre Agassi to fourth on the career prize money list with $32.9 million. Federer leads that list with $67.4 million. The No. 2-ranked Nadal collected $7.7 million in 2011 to take his career earnings to $45 million and move above Pete Sampras into second place on the all-time list.
