![Rob Gronkowski is looking MUCH slimmer as the former Patriots star sheds muscle mass in retirement | Daily Mail Online Rob Gronkowski is looking MUCH slimmer as the former Patriots star sheds muscle mass in retirement | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/07/01/07/15469042-0-image-a-15_1561961894729.jpg)
Rob Gronkowski is looking MUCH slimmer as the former Patriots star sheds muscle mass in retirement | Daily Mail Online
![CBS Sports HQ on Twitter: "Is that @RobGronkowski flexing on @Hassel_Chris? That is correct. "I'm basically 4 more protein shakes away from being at my playing weight." Gronk talks getting back into CBS Sports HQ on Twitter: "Is that @RobGronkowski flexing on @Hassel_Chris? That is correct. "I'm basically 4 more protein shakes away from being at my playing weight." Gronk talks getting back into](https://pbs.twimg.com/media/EYfEdxxXgAIL35G.jpg)
CBS Sports HQ on Twitter: "Is that @RobGronkowski flexing on @Hassel_Chris? That is correct. "I'm basically 4 more protein shakes away from being at my playing weight." Gronk talks getting back into
![Gronk Isn't That Skinny After All. In Fact, He Looks in Playing Shape. Be Afraid, NFL. Be Very Afraid. | Barstool Sports Gronk Isn't That Skinny After All. In Fact, He Looks in Playing Shape. Be Afraid, NFL. Be Very Afraid. | Barstool Sports](https://chumley.barstoolsports.com/wp-content/uploads/2019/08/20/Gronk-Fit-3.jpg)
Gronk Isn't That Skinny After All. In Fact, He Looks in Playing Shape. Be Afraid, NFL. Be Very Afraid. | Barstool Sports
![Your body'll fall apart if you tried to play': Just how hard is it to come out of retirement in the NFL? - The Athletic Your body'll fall apart if you tried to play': Just how hard is it to come out of retirement in the NFL? - The Athletic](https://cdn.theathletic.com/app/uploads/2019/09/05123400/gronk-1024x659.jpg)
Your body'll fall apart if you tried to play': Just how hard is it to come out of retirement in the NFL? - The Athletic
![Rob Gronkowski claims he is 'four protein shakes away' from reaching NFL target weight | Other Sports Rob Gronkowski claims he is 'four protein shakes away' from reaching NFL target weight | Other Sports](https://img.republicworld.com/republic-prod/stories/promolarge/xhdpi/u7m6lfieux5tpqfk_1590053193.jpeg)