YAC Cap: Yards after contact capped at 20 yards. This eliminates any long runs that may skew the average
After C: Number of yards after initial contact during yards after the catch. Gives a feeling for the strength of the runner
RZ %: Percentage of catches in the red zone
Convert %: The percentage of receptions a receiver catches before the first down line and gains a first down via yards after the catch. Shows the ability of a receiver to pick up yardage to move the sticks.
In-line %: Percentage of targets in which the TE was lined up at the end of the offensive line