Mattison took over for an injured Dalvin Cook (groin) in the second half of Sunday's loss to Seattle, receiving 20 carries for 112 yards while adding three receptions for 24 yards.

EDGE Analysis

Cook was briefly forced out of the contest in the third quarter with a groin injury, and he was able to return for only one more carry before leaving the game for good. That opened the door for Mattison to take over as lead back, and the 22-year-old was up to the task. Mattison was able to do his best Cook impersonation by ripping off chunk after chunk against the Seahawks' stout front seven. Cook will have an MRI on Monday, so we should get more information soon on whether Mattison will become a prize off the waiver wire for a potential start against Atlanta on Sunday.