The tour this week released the letter Spieth wrote as a 16-year-old in 2010, seeking an exemption from organisers of his hometown tournament in Dallas, which was then known as the HP Byron Nelson Championship.
He also mentioned his friend Justin Thomas, who made the cut at the 2009 Wyndham Championship, one of the youngest ever to do so.
"I missed the call but I knew I was going to get a call either way that week and so I went out in the courtyard, it was like the middle of the day in February, sometime in February and I called them back and they said that I was going to get the exemption".
"Evidently the remainder of my day was not very productive and it was very productive on the golf course afterwards". I think I practiced past dark that night. "I used to be clearly very excited".
Spieth went on to the University of Texas before turning pro in 2012.
Spieth, who was accepted an invite into his first ever PGA Tour event following the letter, more than lived up to his word as he went on to contend for the tournament before going to finish tied 16th. He was paired with Trinity Forest member Tony Romo during that event.
"I do not stroll after I'm not on Tour so golfboards are nice", added Spieth.
"It's good for pace of play and so we typically go out with four, five guys all on golfboards and just cruise around and, you know, in three and a half hours with a five-some and it's a blast".
"It is humorous if you get on it for the primary time, it is fairly awkward. By the third or fourth hole you get the hang of it".
Spieth will play alongside former US Open champion Graeme McDowell of Northern Eire and fellow Texan Jimmy Walker, who's again in kind with a tied second on the Gamers after a prolonged battle with Lyme illness.