Spieth pranks rookie pal

Jordan Spieth and Justin Thomas have known each other since they were 14 and were picked to represent the US in the Evian Junior Masters in France. Their families have stayed in each other's houses during tournaments and Spieth and Thomas often stay together on the road.

Thomas might be three months older, but he's still a PGA Tour rookie.

Spieth, already a Ryder Cup veteran starting his third year on tour, had no choice but to remind him of that at the Phoenix Open.