baseball team vs squad

baseball team and squad both are nouns.

Word	Noun	Adjective	Verb	Adverb
baseball team	Yes	No	No	No
squad	Yes	No	No	No

As nouns, squad is a hypernym of baseball team; that is, squad is a word with a broader meaning than baseball team:

Other hypernyms of baseball team include team.

baseball team (noun)	squad (noun)
a team that plays baseball	a cooperative unit (especially in sports)
	a smallest army unit
	a small squad of policemen trained to deal with a particular kind of crime