Deletion of 21 (basketball)

Comment: At least in the U.S., it's an extremely common term for an informal basketball game.   is not 
Stance: keep
Cited policy: Wikipedia:Arguments to avoid in deletion discussions (WP:IDONTKNOWIT||WP:MADEUP)

Comment: unless an editor can find any reliable sources in order to satisfy  and , both of which this article currently fails to satisfy
Stance: delete
Cited policy: Wikipedia:Verifiability (WP:V||WP:N)