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Positions

Tackling Fundamentals: Form, Angles and Finish

How sound tackling works from approach to finish: the breakdown, pursuit angles, head-up contact, wrapping and driving through, and why safe technique is also effective technique.

4Football Staff · Oct 23, 2026 · 11 min read

Route Running Fundamentals

How receivers get open: the release, the stem, the break and the finish, plus how leverage, timing and coverage reading turn a drawn-up route into a completed pass.

4Football Staff · Oct 21, 2026 · 11 min read

The Football Numbering System: Who Can Wear What

Why a lineman wears 70 and a receiver wears 88: how football jersey numbers signal positions and pass-catching eligibility, how the ranges differ by level, and why they are looser than they used to be.

4Football Staff · Oct 14, 2026 · 11 min read

Hybrid Players and Positionless Football

Why some players cannot be pinned to one position: hybrid roles on offense, defense and special teams, the rules that limit them, and how to read depth charts and fantasy labels.

4Football Staff · Oct 13, 2026 · 11 min read

Nose Tackle: The Anchor of a 3-4 Defense

The nose tackle lines up over the center in a 3-4 defense and takes on double teams so linebackers can make plays. Learn the alignment, two-gap job, skills and why stats undersell him.

4Football Staff · Oct 12, 2026 · 10 min read

Slot Receivers and Slot Cornerbacks

The slot is the space between the sideline receiver and the formation. See why offenses love it, why defenses need a nickel cornerback to cover it, and how each job differs from playing outside.

4Football Staff · Oct 11, 2026 · 10 min read