Previously, we took a look at the most common NFL penalties, and the hefty 15-yard personal fouls often called on Sundays.

In our second installment of Chalk Talk Penalties Edition, we take a look at the flags that fly on the defense before the ball is even snapped, in addition to a few miscellaneous penalties. Let’s get right to it.

Defensive Offside, Encroachment, Neutral Zone Infraction

Frequency (combined): 308 times in 2014, 18.1 times per week
What They’re Worth: Five-yard penalty and replay of down.*
What They Are:
Defensive Offside: Occurs when the ball is snapped and a defender is already past the line of scrimmage.