What It Means:

Forsett was slammed to the turf for a five-yard loss by Rams' defensive tackle Aaron Donald midway through the first quarter. Trainers immediately ran on the field and put an air cast on Forsett's arm. With backup Terrance West inactive, Javorius "Buck" Allen and Raheem Mostert are left at running back. Forsett rushed four times for 26 yards before leaving and was well on his way to a successful afternoon.

Forsett had added -0.33 Rushing Net Expected Points prior to exiting the game, per live.numberfire.com.