Murray overtook Djokovic as the world number one after the Paris Masters in November.
Thomas Muster won 40 of his 44 titles on clay including the French Open in 1995.
Becker says Djokovic will look to get back his number one ranking next year.
Federer is expected to return from injury at the ITPL tournament that begins on 2 December.
A new study took a look at the fastest players in the world of tennis.
Murray needs to win the Australian and French Open to complete a career Grand Slam.
Todd Woodbridge is a former Australian tennis doubles player.
Federer has been out of action since 2016 Wimbledon due to a knee injury.
Andy Murray also talks about his evolving relationship with Novak Djokovic.
Nadal is currently ranked number 9, while Federer has dropped to 16 in the ATP rankings.
Nadal cut his 2016 season short after the Shanghai Masters in October.
Becker has backed Djokovic to bounce back in the 2017 season.
The Scot is the year-end world number one for 2016 after dominating his great rival over the season.
Murray registered his 24th straight win after defeating Djokovic at ATP World Tour Finals.
The world number two says lack of court time hindered his attempts to win sixth title in London.
Year-end world number one planning quiet dinner to mark victory at ATP World Tour Finals.
The 29-year-old defeats Djokovic 6-3 6-4 to win maiden title at season-ending tour finals.
The battle for the year-end world number one comes down to the last match of 2016.
Defending champion remains in contention for year-end world number one after dominating Kei Nishikori.
World number one wins 5-7 7-6 7-6 in match lasting three hours and 38 minutes at The O2 Arena
All the information Djokovic and Nishikori battle to reach the final at tour finals in London.
Djokovic has not won a title since the Rogers Cup in July.