For Everton, Johnson would look like a bet on speed, direct running and chaos in transition.
That matters for a side that has often needed more penetration in wide areas. Everton have had periods where they could move the ball into decent positions but still lacked a runner who could turn a build-up into an immediate chance.
From a Crystal Palace perspective, McNeil would bring a different toolkit.
If Palace are looking for more control in the final third, this kind of profile makes sense. McNeil is not the same explosive carrier as Johnson, but he can slow the game down, pick a pass and deliver quality from wide areas.
This is the interesting part: it would not just be a trade of names, but a trade of styles. Everton would appear to be chasing dynamism. Palace would appear to be leaning toward craft and service.
The next step is obvious. Until either club confirms it, this remains a reported agreement rather than a completed transfer. Still, it is one to watch closely in the coming days, because if it goes through, both teams could open the season looking very different down the flanks.