Gambling on high upside prospects is a vintage tactic in recruiting.
Coaches are always looking for untapped potential, and it’s not uncommon that a player with elite athletic ability never emerges as an elite football prospect.
There’s plenty of explanations and it’s typically these types of guys that turn into Khalil Mack or whatever other 2-star prospect you want to highlight. Missed evaluations happen and it’s not always due to negligence on the behalf of coaches.

