ATP Finals: Grigor Dimitrov's journey to the ATP title
BBC Sport looks back at the 2017 ATP Finals in London, where Grigor Dimitrov made history by becoming the first man for 19 years to win the tournament on his debut appearance.
BBC Sport looks back at the 2017 ATP Finals in London, where Grigor Dimitrov made history by becoming the first man for 19 years to win the tournament on his debut appearance.