Falco has a massive wingspan, but Fox has the higher upside potential.
NBA 2K18 may have a unique Nintendo feature: Amiibo support.
The game's Japanese My Nintendo page listed Amiibo support for the game, though the listing has since been removed. It isn't confirmed that the feature will be added, nor what the nature of the support would be.
2K and Nintendo have not commented on the possibility of Amiibo support.