Tournament winner odds (bet365) Roger Federer: 1.50 Novak Djokovic: 8.00 David Ferrer: 9.00 Rafael Nadal: 11.00 Jo-Wilfried Tsonga: 11.00 Tomas Berdych: 19.00 The Barclays ATP World Tour Finals in London continue tonight when Federer plays Fish and Nadal plays Tsonga.…