Stuffs STF

STF stands for stuffs in football. Tackles that stop a ball carrier at or behind the line of scrimmage on a run, credited in halves when two players share one.

How STF is calculated

Counted, in half-credits. STFYDS is the yards those stops cost the offense.

Interior linemen and linebackers lead it; it rewards run defense that tackles and sacks leave out.

What counts as a good STF?

Half of the 488 qualified NFL players in 2026 were at or below 2.0. Clearing 4.5 put a season in the top tenth of the league.

Median
2.0
Top 10%
4.5
Leader
9.5

By position, the median was 2.5 for LB, 2.0 for DE, 2.0 for DT, 1.5 for S and 1.0 for CB.

Qualified: 4+ games, non-zero, 2026 regular season.

Often confused with