A trio of big stars will sit out next week's Omnium Banque Nationale in Montreal.
The two-time champion and the rising American will joined the star-studded draw in the last event prior to the US Open.
Rafa Nadal shows full support for gymnastics star Simone Biles in a CBS interview.
Moroccan player Simohamed Hirs has been banned for life from the sport, following investigations into multiple incidents of match fixing.
After winning Nottingham and upsetting Stefanos Tsitsipas at Wimbledon, Frances Tiafoe is poised to make his move.
Genie Bouchard has picked up the microphone as special guest analyst for Tennis Channel.
"He's going to have the chance to be one of the best players of the world," Rafael Nadal says of Sebastian Korda.