Mike Pouncey’s foot injury has been deemed serious enough for the Dolphins to go get a real Plan B at center.

On Tuesday, they brought back veteran lineman Jacques McClendon, who went through camp with the team and appeared in one game for the Dolphins before his release.

To make room for McClendon, the Dolphins cut linebacker James-Michael Johnson.

The move suggests that Pouncey, whom Dan Campbell said was “day to day,” might miss time because of an injury that knocked him from Sunday’s loss to the Jets.

Jamil Douglas, a rookie guard, took Pouncey’s place — with poor results. Several of Douglas’ snaps bounced before reaching Ryan Tannehill, and the Dolphins rushed for just 12 yards as a team.

“When you play center and you have never done it before other than practice, he’s gotten a ton of practice snaps, you don’t know how it’s going to be until the bullets fly,” Campbell said of Douglas. “It’s unlike most positions because you have an idea of the defense and now you have to snap the ball and particularly when we go in some gun [shotgun] and do different things.

“What I would say is he is going to be better for that. I have more confidence this week than I would have last week because now I know he has a full game under his belt.”