Jordan Spieth has signed a new incentive-based contract with Under Armour, even though he had two years left on his existing deal. The 21-year-old American will wear nothing but Under Amour gear, including shoes, which will be unveiled later this year. "He's athletic, he's young, he has the right character and he wins," said Ryan … Continue reading Jordan Spieth Signs 10-Year Deal with Under Armour →