Upon further review, the ruling on the internet is that Mallory should get moved to WR unless he wants to waste away playing as Brevin's backup.
QB Williams
RB Dallas, Davis, Lingard, Burns, George
Z Mallory, Hightower, Njoku
Y Pope, Harley, Payton
X Osborn, Wiggins, Ezzard
TE Jordan, Irvin...