Top 5 high profile coaching changes on the ATP tour in the off-season

There has been a lot of chopping & changing going on with the coaching staff of some of the top ranked players on the ATP tour. We take a look at 5 of the most interesting developments during the off-season.

5) Nishikori hires Chang

Kei Nishikori has hired former French Open champion Michael Chang as his part-time coach for the 2014 season.

Chang is believed to be working with the 23-year old for 17-20 weeks during the season with full-time coach Dante Bottini continuing in his current role.

Nishikori has been touted as one of the future superstars of tennis. The nimble-footed baseliner reached a career high ranking of 11 during 2013. Hiring Chang, who had a similar game & was a street fighter, could just be what it takes to help the current World No.17 break into the top 10 for the first time in 2014.