In book 1 of The Wild Soccer Bunch series, we’re introduced to the The Wild Bunch, a group of soccer-obsessed kids in Chicago, and their nemeses, The Unbeatables — and the enduring themes of friendship, teamwork, and overcoming adversity. In book 3, Zoe, a girl, joins the boys. In book 4, the team enters a club league!
https://www.readbrightly.com/soccer-books-for-kids