Just three carries with Cook back
Mattison had three carries for 10 yards in Sunday's win at Carolina.
With Dalvin Cook back to full strength after missing the previous game with an ankle injury, Mattison moved back to a reserve role and played on just 12 of the offense's 89 snaps. Mattison eclipsed 100 rushing yards in both spot starts when Cook has sat out this season, so he's one of the more valuable backups in the league. However, he'll likely have minimal fantasy most games when Cook is healthy.
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Cook (shoulder) is expected to sit out the Vikings' next two games with the aim to return Monday, Dec. 20 at Chicago, Adam Schefter of ESPN reports.
Coach Mike Zimmer indicated Monday that Cook is viewed as "day-to-day" with a shoulder injury, Eric Smith of the Vikings' official site reports. "We'll just see how Dalvin is doing," Zimmer noted of the running back's Week 13 status. "It will be day-to-day and see where it goes."
Cook suffered a torn labrum and dislocation of his left shoulder during Sunday's loss to the 49ers, but the injury isn't expected to be season-ending, Ian Rapoport of NFL Network reports.
Cook was already playing through a torn labrum in his right shoulder and may now have a similar injury to his left shoulder, pending the results of an MRI on Monday, Ian Rapoport of NFL Network reports.
Thielen caught five of seven targets for 62 yards and two touchdowns in Sunday's 34-28 loss to the 49ers.
Jefferson caught four of nine passes for 83 yards in Sunday's 34-28 loss to the 49ers.
Mattison carried the ball seven times for 21 yards and a touchdown and caught two of three targets for seven yards in Sunday's 34-28 loss to the 49ers.
Cousins completed 20 of 32 passes for 238 yards and two touchdowns with an interception in Sunday's 34-28 loss to the 49ers.
Cook will go for an MRI on his injured shoulder Monday, Adam Schefter of ESPN reports.
Cook (shoulder) has been ruled out for the remainder of Sunday's game against the 49ers.