Heading into Thursday's game against the Patriots, the Vikings are still trying to figure out how many of their cornerbacks will be available.
Rookie Akayleb Evans is still in the concussion protocol; he could be cleared in time for Thursday's game, though coach Kevin O'Connell said it's important the Vikings "stay true" to the protocol and not try to rush Evans or left tackle Christian Darrisaw back from it.
Second-round pick Andrew Booth Jr., who started in Evans' place on Sunday, is dealing with knee soreness from the game. "That can happen from time to time," O'Connell said. "With it being a short week, we'll see where he's at."
The Vikings held a walk-through on Tuesday, but Booth would not have practiced if they'd had a full session, according to the team's injury report.
If Evans is cleared from the concussion protocol in time for Thursday's game, he would likely start. If both Evans and Booth are out, Duke Shelley would likely make his seventh career start.
Shelley played three defensive snaps against Buffalo, after the Vikings pulled Booth from the game, and broke up what might have been a game-ending touchdown pass from Josh Allen to Dawson Knox in overtime.
O'Connell indicated he wanted to be cautious with Booth, which could mean it's Evans or Shelley on Thursday night.
"Duke would be up [if the other players can't play], and as we saw against Buffalo, he is ready, when his number is called to step in and make a play," O'Connell said. "We'll see how it kind of works out the rest of the week, but knowing we've got the mini-bye type of week after this leading into another home game, I want Andrew to feel like he's ready to go if he's going to go Thursday."