![The difference between Roger Federer's 2017 and 2021 comebacks is that now his muscles have deteriorated considerably: Pierre Paganini The difference between Roger Federer's 2017 and 2021 comebacks is that now his muscles have deteriorated considerably: Pierre Paganini](https://staticg.sportskeeda.com/editor/2021/02/3b3c5-16141635321507-800.jpg)
The difference between Roger Federer's 2017 and 2021 comebacks is that now his muscles have deteriorated considerably: Pierre Paganini
![Roger Federer's Muscles 'Deteriorated Considerably' Compared To 2016, Says Fitness Trainer - UBITENNIS Roger Federer's Muscles 'Deteriorated Considerably' Compared To 2016, Says Fitness Trainer - UBITENNIS](https://www.ubitennis.net/wp-content/uploads/2022/03/Federer-2-400x240.jpg)
Roger Federer's Muscles 'Deteriorated Considerably' Compared To 2016, Says Fitness Trainer - UBITENNIS
![rafael-nadal-to-face-roger-federer-in-australian-open-final-after-beating-grigor-dimitrov-2 – Rafael Nadal Fans rafael-nadal-to-face-roger-federer-in-australian-open-final-after-beating-grigor-dimitrov-2 – Rafael Nadal Fans](https://rafaelnadalfans.com/wp-content/uploads/2017/01/rafael-nadal-to-face-roger-federer-in-australian-open-final-after-beating-grigor-dimitrov-2.jpg)
rafael-nadal-to-face-roger-federer-in-australian-open-final-after-beating-grigor-dimitrov-2 – Rafael Nadal Fans
![Roger Federer's Muscles 'Deteriorated Considerably' Compared To 2016, Says Fitness Trainer - UBITENNIS Roger Federer's Muscles 'Deteriorated Considerably' Compared To 2016, Says Fitness Trainer - UBITENNIS](https://www.ubitennis.net/wp-content/uploads/2020/03/Federer-4-1000x600.jpg)