Rafael Nadal could head into the Australian Open without playing a lead-up tournament after withdrawing from the Brisbane International.
Lessons have been learned from a "roller-coaster ride" in the last 18 months for Novak Djokovic, according to the 12-time grand slam winner.
Novak Djokovic looked a shadow of his former self last year, but a break can enable him to return to the peak of his powers.
Jo-Wilfred Tsonga will give himself extra time to recover from injury with the Australian Open fast approaching.
The Mubadala World Tennis Championship will be the stage for Serena Williams' return to competitive action after becoming a mother.
Victoria Azarenka remains a doubt for the season-opening grand slam in Australia after pulling out of the ASB Classic in Auckland.
There will be no Rafael Nadal at the Mubadala World Tennis Championships after the Spaniard pulled out to lighten his schedule.
A Palm Beach Gardens police report cleared seven-time grand slam singles champion Venus Williams and Linda Barson in the fatal crash.
Novak Djokovic has not played since Wimbledon and Milos Raonic believes time off court could pay off in the first major of the year.
The Mubadala World Tennis Championship will no longer play host to Stan Wawrinka and Milos Raonic's respective returns from injury.