A top 5 pick can be a dizzying height in an NFL draft.
More negative scouting comes into play by teams with those selections. Everyone is looking for the perfect prospect that high in a draft, so it's easy to talk yourself out of any player, especially at the quarterback position. They all have flaws. And even when you find the perfect prospect ... you never know.
John Elway is a Hall of Fame quarterback. He had it all coming out of Stanford -- physically, mentally with every intangible. He was benched twice in his rookie season with the Denver Broncos before becoming the draft prototype for his position.