Minnesota Vikings head coach Mike Zimmer provided a somewhat optimistic outlook on star running back Dalvin Cook Friday, but it's looking like there's a good chance he doesn't suit up Sunday against the Seattle Seahawks.

Cook didn't practice all week due to a sprained ankle. NFL Network's Ian Rapoport reported overnight that while the Vikings running back wants to play, “it's no sure thing that he does.” Rapoport then added that he'll be limited if he does actually suit up, with Alexander Mattison next in line for the bulk of the carries.

ESPN's Adam Schefter added more on Sunday morning, saying Cook is “unlikely” to play heading into pregame warmups. Perhaps things change if those pregame workouts go well, but right now, it's not looking good for the Vikings star.

*Watch the NFL LIVE with fuboTV (click for free trial)*

Cook has had a stellar start to the 2021 season, carrying the ball 42 times for 192 yards and a touchdown while also catching eight passes for 60 yards. However, he did have a crucial fumble in the Week 1 overtime loss to the Cincinnati Bengals as Minnesota was driving for the win, with the Bengals then taking the ball and going down the field for the game-winning field goal. Cook then suffered this ankle injury in another devastating loss last weekend to the Arizona Cardinals.

The Vikings are trying to avoid a disastrous 0-3 start against Seattle, which will be made more difficult if Cook indeed isn't able to go.