search on this site (in the top bar):
"TPM agent" and there is a great post.
Also, "joemktg advisor" or "joemktg agent". His son was drafted out of high school in the second round in 2017, I believe.
Not in HS, but in college, my son was approached by around 4 different advisors. He eventually went with one that works solely on referrals. I have never met him, but he has been very helpful for my son when injured, making sure his surgery was with the best doctor, and with equipment (bats, gloves, etc.) We looked at it as a cost of doing business. keewartson may have gone as high as he did in the draft because of his advisor.