Muhammad Ali Signs Sponsorship Deal with Under Armour Kevin Fleming January 2, 2016 Music News According to CNN Money, former heavyweight champion, Muhammad Ali has signed a multi-year deal with lifestyle clothing maker Under Armour. Not only is Under Armour allowed to use Ali’s name for the brand, they will use historic video clips and his famous quotes. Under Armour released a statement about the deal with the boxing legend. “Ali is one of the most recognized and celebrated figures of all time.” Although Ali seems to be too old for endorsement deals, he relates well with older generations of men. Guys still love him. For guys over 40, Ali sells a lot of stuff. Related