right|thumb|300px|The slotback (SB) in the flexbone formation.
right|thumb|300px|The slotback (SB) in the flexbone formation.
Slotback (SB) is an offensive position in gridiron football responsible for covering a slot, the playing area between the offensive tackle and the wide receiver. A player who lines up between those two players and behind the line of scrimmage fills that "slot".
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).