With Anthony Barr (knee) and Brandon Watts (hamstring) listed as out and Chad Greenway (knee) questionable, the Vikings have only three healthy linebackers on the 53-man roster. But that probably will change soon, Vikings coach Mike Zimmer said after practice today.

The Vikings are expected to promote one or both of their practice squad linebackers, depending on whether Greenway can play on Sunday.

Asked about the readiness of the two practice squad players — third-year pro Josh Kaddu and recently-signed rookie Justin Anderson, Zimmer said, "I think they'll be fine." As for his level of concern about a position that has only Gerald Hodges, Jasper Brinkley and Audie Cole as healthy bodies, Zimmer said, "None."

Although Greenway hasn't practiced all week, the team listed him as questionable. Normally, a player missing an entire week of practice would be listed as doubtful or out.

"He probably could have practiced today, but we didn't want to aggravate it more," Zimmer said. "So we'll just see how it goes."

Greenway returned Wednesday from South Dakota, where he was with his family for his father's funeral. His right knee has been bothering him since having to leave last week's loss early, and he also appears to have a cold.

Asked to describe his week, Greenway said, "Long. Emotional."

Although the Vikings and Bears are long gone from the playoff race, Greenway said "it would mean a lot" for him to play on Sunday.

"It's my job to play a football game, so they're all important," Greenway said. "I'll get ready as much as I can to go out there and play a full game."

Greenway said it was "probably smarter" that he didn't practice. He thinks that will give him a better chance of being able to recover before Sunday.

"We'll let coach Zimmer decide what we're going to do," Greenway said. "See where I'm at and make a decision based off of that."

As for whether the 31-year-old Greenway thinks there will be a role for him on this defense beyond Sunday, he said, "I guess we'll find out. I don't have an answer there. Obviously, I think when I've been healthy I've played well. But I have no idea."

Here is the rest of the injury report:

Limited in Friday's practice and listed as questionable: WR Jarius Wright (low back) and TE Kyle Rudolph (ankle, knee).

Full participation and listed as probable: LG Charlie Johnson (ankle), WR Greg Jennings (hamstring), S Antone Exum (knee), RT Mike Harris (foot), TE Chase Ford (foot), SS Robert Blanton (ankle), S Andrew Sendejo (thumb), DT Sharrif Floyd (knee), RB Matt Asiata (foot).