There are plenty of Power 5s that need pitching. His Size is projectable and makes up for lower velo Now or Frankley later. Our starters last year were mid-upper 80s guys. None of them consistently cracked 90 nor went there. Feel Pitchers who threw 3 pitches for strikes and/or hit their spots otherwise. Many kids come into programs with a lot of hype and velo and many never get back there. The few who hold it and improve it while being effective prosper.
I wish you and your son success in your recruiting journey! Folks here can help, this is a great board.