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Gaps in American football are the spaces in between the splits of the offensive linemen.[1][2][3] A hole is a space in between the defensive linemen.
- ^ Durkin, Dan (2013-08-26). "Durkin's Football 101: Gaps, Techniques & Alignments". Chicago.cbslocal.com. Retrieved 2019-01-28.
- ^ Long, Howie; Czarnecki, John (2019). Football for Dummies (6th ed.). John Wiley and Sons. p. 358. ISBN 978-1-119-55301-4.
- ^ DeLuca, Sam (1978). The Football Handbook. Jonathan David Publishers. p. 393. ISBN 0-8246-0231-5.