![Conor McGregor stands on stage during the weigh-in for UFC 194 Friday, Dec. 11, 2015, in Las Vegas. McGregor is scheduled to fight Jose Aldo in a featherweight championship bout Saturday in Conor McGregor stands on stage during the weigh-in for UFC 194 Friday, Dec. 11, 2015, in Las Vegas. McGregor is scheduled to fight Jose Aldo in a featherweight championship bout Saturday in](https://c8.alamy.com/comp/2N0PK32/conor-mcgregor-stands-on-stage-during-the-weigh-in-for-ufc-194-friday-dec-11-2015-in-las-vegas-mcgregor-is-scheduled-to-fight-jose-aldo-in-a-featherweight-championship-bout-saturday-in-las-vegas-ap-photojohn-locher-2N0PK32.jpg)
Conor McGregor stands on stage during the weigh-in for UFC 194 Friday, Dec. 11, 2015, in Las Vegas. McGregor is scheduled to fight Jose Aldo in a featherweight championship bout Saturday in
![Jose Aldo, Conor McGregor top our list of 10 greatest featherweight fighters in MMA history - CBSSports.com Jose Aldo, Conor McGregor top our list of 10 greatest featherweight fighters in MMA history - CBSSports.com](https://sportshub.cbsistatic.com/i/r/2018/07/29/9d5c6724-e694-45a7-851e-30a82149497b/thumbnail/1200x675/8b5a5d4232e9f431d143cdd88f4a68f9/aldo.jpg)
Jose Aldo, Conor McGregor top our list of 10 greatest featherweight fighters in MMA history - CBSSports.com
![Side-by-side pic: Conor McGregor 'before' and 'after' going up to 170 pounds from being 145-pound champion - MMAmania.com Side-by-side pic: Conor McGregor 'before' and 'after' going up to 170 pounds from being 145-pound champion - MMAmania.com](https://cdn.vox-cdn.com/thumbor/7bUbyT1nXi-VH5fgwOLQx0OsI3E=/0x0:1378x371/1200x0/filters:focal(0x0:1378x371):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/6147153/side.0.jpg)
Side-by-side pic: Conor McGregor 'before' and 'after' going up to 170 pounds from being 145-pound champion - MMAmania.com
![Conor McGregor's amazing body transformations in a fighting career of gruelling weight cuts and getting hench – The US Sun | The US Sun Conor McGregor's amazing body transformations in a fighting career of gruelling weight cuts and getting hench – The US Sun | The US Sun](https://www.the-sun.com/wp-content/uploads/sites/6/2020/01/gl-graphic-conor-weight-1-2.jpg?strip=all&quality=100&w=1080&h=1000&crop=1)
Conor McGregor's amazing body transformations in a fighting career of gruelling weight cuts and getting hench – The US Sun | The US Sun
![UFC 205 live: Conor McGregor knocks out Eddie Alvarez to win the lightweight champions to make history | The Independent | The Independent UFC 205 live: Conor McGregor knocks out Eddie Alvarez to win the lightweight champions to make history | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2016/11/12/22/conor-mcgregor.jpg)
UFC 205 live: Conor McGregor knocks out Eddie Alvarez to win the lightweight champions to make history | The Independent | The Independent
![Conor McGregor vs. the Top Featherweights: How Does He Match Up vs. Aldo & Co.? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Conor McGregor vs. the Top Featherweights: How Does He Match Up vs. Aldo & Co.? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/slides/photos/003/796/650/hi-res-84362663ca768a4dfd143ec815d7c0ee_crop_exact.jpg?w=2975&h=2048&q=85)
Conor McGregor vs. the Top Featherweights: How Does He Match Up vs. Aldo & Co.? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Conor McGregor's Eye-Popping Body Transformation from 145 to 170 Pounds | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Conor McGregor's Eye-Popping Body Transformation from 145 to 170 Pounds | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://media.bleacherreport.com/w_800,h_533,c_fill/br-img-article/002/517/097/b54e906348852abfea5dc1405cf1b935_crop_exact.jpg)
Conor McGregor's Eye-Popping Body Transformation from 145 to 170 Pounds | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Conor McGregor's amazing body transformation, from his UFC debut in 2011 as a featherweight to tipping scales at 170lb | The US Sun Conor McGregor's amazing body transformation, from his UFC debut in 2011 as a featherweight to tipping scales at 170lb | The US Sun](https://www.thesun.co.uk/wp-content/uploads/2021/10/DD-GRAPHIC-CONOR-MCGREGOR-BODY-TRANSFORMATION-v4-1.jpg)
Conor McGregor's amazing body transformation, from his UFC debut in 2011 as a featherweight to tipping scales at 170lb | The US Sun
![Mayweather: Conor McGregor needed seven IV bags because he's struggling to make weight - MMAmania.com Mayweather: Conor McGregor needed seven IV bags because he's struggling to make weight - MMAmania.com](https://cdn.vox-cdn.com/thumbor/cnU_vMHVseUctk2lAeA_4SKCpXM=/0x0:1600x1067/1200x800/filters:focal(651x233:907x489)/cdn.vox-cdn.com/uploads/chorus_image/image/56346319/039_Conor_McGregor.0.0.jpg)
Mayweather: Conor McGregor needed seven IV bags because he's struggling to make weight - MMAmania.com
![Conor McGregor has gone from UFC featherweight to lightweight and possible welterweight return in astonishing transformation | talkSPORT Conor McGregor has gone from UFC featherweight to lightweight and possible welterweight return in astonishing transformation | talkSPORT](https://talksport.com/wp-content/uploads/sites/5/2020/11/NINTCHDBPICT000620747912.jpg)