Jammer (American football)

In American football, jammers try to slow down gunners during punts by preventing them from getting a free release, giving punt returners more time to return punts.^[1]

References

Positions in American football and Canadian football
Offense		Defense		Special teams
Linemen	Guard, Tackle, Center	Linemen	Tackle, End	Kicking players	Placekicker, Punter, Kickoff specialist
Quarterback		Linebackers		Snapping	Long snapper, Holder
Backs	Halfback (Tailback), Fullback, H-back	Backs	Cornerback, Safety, Halfback	Returning	Punt returner, Kick returner, Jammer
Receivers	Wide receiver, Tight end, Slotback	Backs	Nickelback, Dimeback	Tackling	Gunner, Upback
Formations (List) — Nomenclature — Strategy

Codes

Levels of play

Lines	Yard lines Hash marks Goal line Sidelines Line of scrimmage Field goal range

Spaces	End zone Red zone Neutral zone Coffin corner Flat Gap Hole Pocket

Helmet	History Winged Eyeshield Revolution

Uniform	Alternate Cleats Throwback

Pads	Shoulder

Offense	Backfield: Quarterback Dual-threat triple-threat Game manager System Running backs Halfback Fullback H-back Slotback Wingback Receivers Eligible Wide receiver Tight end End Linemen Center Guard Tackle

Defense	Linemen Defensive tackle Defensive end Linebacker Defensive back Cornerback Safety Nickelback Dimeback Halfback

Special teams	Kicker Punter Kickoff specialist Long snapper Holder Return specialist Gunner Jammer Upback

Other	History Utility player Skill position Platoon system

Maneuvers

Offense	Snap Hand-off Blocking Pulling Spiral Routes Pump fake Cutback Juke Lateral Stiff arm Scramble Shift Motion

Defense	Tackle Rush Stunt Blitz Shooting the gap Bump and run Double coverage

Play types

Offense

Rush	Keeper Bootleg Sneak Dive Power Counter Off-tackle End Option Sweep Toss Trap Veer Zone

Pass	Incomplete Checkdown Screen Drop-back Hail Mary Alley-oop

Defense

Special teams

Other

Scoring

Statistics

Practice

Celebrations

Officiating

Miscellaneous

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