12.1.2.4.2 Exception for Prize Money -- Tennis. 12.1.2.4.2.1 Prior to Full-Time Collegiate Enrollment. In tennis, prior to full-time collegiate enrollment, an individual may accept up to $10,000 per calendar year in prize money based on place finish or performance in athletics events. Such prize money may be provided only by the sponsor of an event in which the individual participates. Once the individual has accepted $10,000 in prize money in a particular year, the individual may receive additional prize money on a per-event basis, provided such prize money does not exceed the individual's actual and necessary expenses for participation in the event. The calculation of actual and necessary expenses shall not include the expenses or fees of anyone other than the individual (e.g., coach's fees or expenses, family member's expenses). (Adopted: 4/26/12, Revised: 1/19/13 effective 8/1/13)
12.3.1.4 Benefits from Prospective Agents. [A] An individual shall be ineligible per Bylaw 12.3.1 if the individual (or family members or friends) accepts transportation or other benefits from: (Revised: 1/14/97, 1/16/19) (a) Any person who represents any individual in the marketing of athletics ability. The receipt of such expenses constitutes compensation based on athletics skill and is an extra benefit not available to the student body in general; or (b) An agent, even if the agent has indicated no interest in representing the student-athlete in the marketing of the student athlete's athletics ability or reputation and does not represent individuals in the student-athlete's sport.
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Reviewing Pinnington's history, I don't think earnings would be an issue. He won 2 futures tourneys in 2021 but both were M15s. Winner gets $2100.
Bigger issue would be if he signed/ had contact with an agent. The excerpt above is just one example, but lots of other areas where seemingly benign contact with agents results in loss of amateur status. I assume people on this board are familiar the general contours from following other sports. Looking at the code, it doesn't seem like any of that was overturned by Supreme Court ruling, but like I said, I'm real ignorant on all the NIL ramifications.
It wouldn't surprise me if there's an extended investigation on him due to his stature and the fact he's been playing at a higher level than most other recruits. I'm sure agents have been circling for a few years now. That would explain why TCU would want to wait until he's cleared before promoting him and treating him like a fully fledged student athlete. I'd also assume he can't enter any events til that process is complete. Or it could mean they already completed the process and gave him the under the table 1-year probationary punishment the guy at FSU evidently got. But that guy's 22 now. Pinnington's 19 and too good to stick around through all that if that were the result.