![Michael Phelps Teams with Under Armour for 'Rule Yourself' Campaign Pre-Summer Olympics!: Photo 3602349 | 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 3602349 | 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-09.jpg)
Michael Phelps Teams with Under Armour for 'Rule Yourself' Campaign Pre-Summer Olympics!: Photo 3602349 | 2016 Summer Olympics, Memphis Depay, Michael Phelps Photos | Just Jared: Entertainment News
Under Armour - No one else has been as unbeatable in the pool as Michael Phelps #RuleYourself | Facebook
![Under Armour on X: "Rule: Block out the noise. @MichaelPhelps #RuleYourself 🇺🇸 https://t.co/SrQQPu03yt" / X Under Armour on X: "Rule: Block out the noise. @MichaelPhelps #RuleYourself 🇺🇸 https://t.co/SrQQPu03yt" / X](https://pbs.twimg.com/media/CpccpeKWEAAwB1t.jpg)
Under Armour on X: "Rule: Block out the noise. @MichaelPhelps #RuleYourself 🇺🇸 https://t.co/SrQQPu03yt" / X
![Michael Phelps Teams with Under Armour for 'Rule Yourself' Campaign Pre-Summer Olympics!: Photo 3602350 | 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 3602350 | 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-10.jpg)
Michael Phelps Teams with Under Armour for 'Rule Yourself' Campaign Pre-Summer Olympics!: Photo 3602350 | 2016 Summer Olympics, Memphis Depay, Michael Phelps Photos | Just Jared: Entertainment News
Under Armour Premieres New RULE YOURSELF Campaign Film Featuring Michael Phelps At Global Headquarters In Baltimore
Under Armour Premieres New RULE YOURSELF Campaign Film Featuring Michael Phelps At Global Headquarters In Baltimore
![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)