Mental check lists for umpires.

[bigwhistle]

A wise and veteran official who worked many a year of D1 ball told me that as the play unfolds, scan the line of action concerning the OL. Wherever you see a double team, ignore it and go somewhere else. This does not take into account the possible high/low infraction you might see.

The one defensive player is already occupying 2 offensive players, therefore concentrate on the one on one action where an infraction is more likely to occur.