Nick Kyrgios can become one of Wimbledon's most controversial champions on Sunday when he faces Novak Djokovic in a final set to showcase flamboyant shotmaking punctuated by likely dark mood swings.
The maverick Australian crowd-pleaser is in his first Slam final at the age of 27 after a roller-coaster career. There have been tempestuous outbursts, spats with players, officials and media and fines that he has previously estimated have cost him $500,000.