Nashville has NFL and NHL. Closest cities with teams are Atlanta and Cincinnati which are both NL teams. Move them there, put them in the AL Central and send Cleveland to the East.
The key is not just market size or who has other big 4 franchises (MLB/NFL/NBA/NHL), but who has evidence of supporting baseball. RD (plus throw in Charlotte because it isn't that far away) and Indianapolis both beat Nashville in spades when it comes to the total picture.
Los Angeles lacks an NFL franchise for no reason other than they don't support NFL even if they are a huge market and have all of the other three.