The Austrian suffered an injury to his right hand and needs time to recover.
Former Delray Beach resident Tommy Paul returns to his stomping grounds this month.
The two legends will be reunited in London in September
U.S. captain Mardy Fish also names Jack Sock and Rajeev Ram to squad.
Daniil Medvedev's chase for the world No. 1 ranking will have to wait.
Ajla Tomlajnovic has a new—classic—partner.
Novak Djokovic's biographer Daniel Mücksch believes the world No. 1 will get vaccinated for one profound reason.
