baseball team vs center field

baseball team and center field both are nouns.

Word	Noun	Adjective	Verb	Adverb
baseball team	Yes	No	No	No
center field	Yes	No	No	No

baseball team (noun)	center field (noun)
a team that plays baseball	the fielding position of the player on a baseball team who is expected to field balls in the central third of the outfield
	the piece of ground in the outfield directly ahead of the catcher