Update - Sunday, Sept. 26, 3:10 p.m. EST: Dalvin Cook has officially been ruled out. Alexander Mattison should be viewed as a borderline RB1 against the Seahawks.
Update - Sunday Sep. 26, 9:08 a.m. EST: Adam Schefter reported on Sunday morning that Dalvin Cook is now "unlikely" to play.
Running back Dalvin Cook suffered an ankle injury during the the Minnesota Vikings' Week 2 loss, but it didn't seem to be serious. However, he hasn't practiced at all this week and his latest injury update is more cause for concern. Cook sat out practice again on Friday, which leaves his status is up in the air.
It would be a massive blow to the Vikings' offense to lose a player averaging 96.0 rushing yards per game through the first two weeks. This development does boost the fantasy outlook of backup RB Alexander Mattison, though. The 23-year-old could be in line to see a monster workload.
Alexander Mattison Fantasy Outlook
Cook is likely to see a lessened workload if he is able to suit up on Sunday. That leaves more opportunities for Mattison to contribute. If Cook is ultimately ruled out, Mattison immediately jumps into high-end RB2 range given how much the Vikings rely on the rushing attack week in and week out.
This isn't anything new for fantasy managers that roster Dalvin Cook as he missed 2 games during the 2020 season due to injury. Mattison drew the starts instead and was able to rack up 175 yards from scrimmage to go along with 2 touchdowns. He also saw 31 carries across those two contests.
The Vikings' backfield draws a perfect matchup in Week 3. The Seattle Seahawks have failed to stop the run all season and are giving up the second-most rushing yards per game (162.5). Overall, the Seahawks have also allowed the most fantasy points to opposing RBs in PPR scoring leagues.
Mattison averages 4.5 yards per rush attempt in his young career and has hauled in 25 of his 29 targets as a receiver. Simply put, he is one of the best backup running backs in the NFL and looks poised to have a productive game if called upon to step up.
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Larry Rupp is not a FanDuel employee. In addition to providing DFS gameplay advice, Larry Rupp also participates in DFS contests on FanDuel using his personal account, username phillyfan424. While the strategies and player selections recommended in his articles are his personal views, he may deploy different strategies and player selections when entering contests with his personal account. The views expressed in their articles are the author's alone and do not necessarily reflect the views of FanDuel.