![American swimming star Michael Phelps, second right, practises during a promotional event for sportswear brand Under Armour in Shanghai, China, 7 Nove Stock Photo - Alamy American swimming star Michael Phelps, second right, practises during a promotional event for sportswear brand Under Armour in Shanghai, China, 7 Nove Stock Photo - Alamy](https://c8.alamy.com/comp/W83X9J/american-swimming-star-michael-phelps-second-right-practises-during-a-promotional-event-for-sportswear-brand-under-armour-in-shanghai-china-7-nove-W83X9J.jpg)
American swimming star Michael Phelps, second right, practises during a promotional event for sportswear brand Under Armour in Shanghai, China, 7 Nove Stock Photo - Alamy
Under Armour Premieres New RULE YOURSELF Campaign Film Featuring Michael Phelps At Global Headquarters In Baltimore
Under Armour on X: "Rule: Block out the noise. @MichaelPhelps #RuleYourself 🇺🇸 https://t.co/SrQQPu03yt" / X
![Michael Phelps Unpublished photos from Under Armour photo shoot in China | Michael phelps, Phelps, Swimmer Michael Phelps Unpublished photos from Under Armour photo shoot in China | Michael phelps, Phelps, Swimmer](https://i.pinimg.com/736x/e0/60/ea/e060eaf02959d295aaafee3715dbcff1.jpg)
Michael Phelps Unpublished photos from Under Armour photo shoot in China | Michael phelps, Phelps, Swimmer
![42 Michael Phelps Attends A Public Training As Under Armour Ambassador Stock Photos, High-Res Pictures, and Images - Getty Images 42 Michael Phelps Attends A Public Training As Under Armour Ambassador Stock Photos, High-Res Pictures, and Images - Getty Images](https://media.gettyimages.com/id/887984102/photo/michael-phelps-attends-a-public-training-as-under-armour-ambassador.jpg?s=594x594&w=gi&k=20&c=NzEeAuhXScepzYdC6jOskpVKiy6DEjYeJG5uyiw_BB8=)
42 Michael Phelps Attends A Public Training As Under Armour Ambassador Stock Photos, High-Res Pictures, and Images - Getty Images
![Jeffrey Linton on X: "Michael Phelps broke down in tears, see why @ UnderArmour commercial. https://t.co/Qx96cDQPSp #sports #marketing https://t.co/fel956m3kl" / X Jeffrey Linton on X: "Michael Phelps broke down in tears, see why @ UnderArmour commercial. https://t.co/Qx96cDQPSp #sports #marketing https://t.co/fel956m3kl" / X](https://pbs.twimg.com/media/CdMmtzNW0AAMqGy.jpg)
Jeffrey Linton on X: "Michael Phelps broke down in tears, see why @ UnderArmour commercial. https://t.co/Qx96cDQPSp #sports #marketing https://t.co/fel956m3kl" / X
![Under Armour on X: "No one else has been as unbeatable in the pool as @MichaelPhelps #RuleYourself 🇺🇸 https://t.co/BvdjeD2ULA" / X Under Armour on X: "No one else has been as unbeatable in the pool as @MichaelPhelps #RuleYourself 🇺🇸 https://t.co/BvdjeD2ULA" / X](https://pbs.twimg.com/media/Cpx5eqCWIAApxCt.jpg:large)
Under Armour on X: "No one else has been as unbeatable in the pool as @MichaelPhelps #RuleYourself 🇺🇸 https://t.co/BvdjeD2ULA" / X
![Michael Phelps Teams with Under Armour for 'Rule Yourself' Campaign Pre-Summer Olympics!: Photo 3602353 | 2016 Summer Olympics, Memphis Depay, Michael Phelps Photos | Just Jared: Entertainment News Michael Phelps Teams with Under Armour for 'Rule Yourself' Campaign Pre-Summer Olympics!: Photo 3602353 | 2016 Summer Olympics, Memphis Depay, Michael Phelps Photos | Just Jared: Entertainment News](https://cdn01.justjared.com/wp-content/uploads/2016/03/phelps-teams/michael-phelps-underarmour-before-rio-olympics-13.jpg)