Jordan Spieth delivers big victory for Under Armour with Masters win

Under Armour Inc. scored big on Sunday at the Masters, where 21-year-old Jordan Spieth became the company’s first endorser to win a major golf tournament.

For the weekend, Spieth shot a dominating 18-under 207, tying a a Masters record set by Tiger Woods in 1997. The victory came a year after Spieth lost the 2014 Masters by to Bubba Watson by two strokes.

Beneath his newly won green jacket, Spieth donned a navy blue Under Armour shirt and white pants.

Under Armour first signed Spieth, then just…