Deletion of Brewers–Cubs rivalry

Comment: Unfortunately, I have no great policy-based reasons for it, and I think the article could definitely use more sourcing - but I have friends who are fans of both teams, and I'm assured that both sides do consider it a rivalry, especially with the closeness of the teams. I guess I'm saying that I don't have anything that satisfies , but I'm sure it can be found
Stance: keep
Cited policy: Wikipedia:Verifiability (WP:V)