NFL Scout: Kool-Aid McKinstry Silenced Doubts with Performance at Alabama Pro Day

After Alabama cornerback Kool-Aid McKinstry didn't run at the NFL Scouting Combine due to a Jones fracture in his right foot, there were questions about his speed and that injury.

But McKinstry was able to test at his Alabama pro day, running a 40-yard dash between 4.47 and 4.52 seconds while posting a 34.5-inch vertical leap and a 10'1" broad jump.

"Him going out there and competing despite the injury says a lot about his want-to and competitive desire to attack those question marks that were out there about him," an NFC area scout told ESPN's Jordan Reid.

McKinstry is widely expected to be a first-round pick, with the B/R NFL Scouting Department comparing him to Marshon Lattimore and calling…