Jordan Spieth, Under Armour sign 10-year endorsement deal
Under Armour Golf (@UAGolf) / Twitter
Under Armour extends deal with Jordan Spieth ahead of golf shoe launch - Baltimore Business Journal
Jordan Spieth helps launch first Under Armour golf shoe line
Jordan Spieth explains the story behind the Spieth 3 Under Armour shoe
Jordan Spieth Excited About the Technology Under Armour Brings to the Course
Jordan Spieth walks up the second fairway in his sponsored Under Armour golf shoes during the final round of play of the Masters golf tournament at the Augusta National Golf Course in