EDEN PRAIRIE, Minn. — Vikings Head Coach Mike Zimmer gave an update on quarterback Sam Bradford's health on Wednesday.

Zimmer said that he plans for Bradford to start practicing next week.

"Not this week, I don't believe," Zimmer said. "We'll see when we practice. I mean all I have done is talk to him. I haven't watched him workout or do any of those things, but I think we'll get him back practicing next week."

Bradford has not played in a game for the Vikings since the last time the team played the Chicago Bears at Soldier Field in Week 5.

"He says he feels good," Zimmer said. "He's been working out, doing things, getting out on the field, throwing the ball and doing workouts. I haven't seen him workout."

Bradford accumulated a career-best passer rating of 143.0 in Week 1 against the Saints, throwing for 346 passing yards and three touchdowns but experienced problems with his knee that sidelined him.

He returned to the lineup on Oct. 9 but was replaced by Case Keenum late in the first half after re-injuring the knee.

Keenum completed 17 of 21 passes for 140 yards and a touchdown in relief against the Bears, helping Minnesota prevail 20-17 and launch an eight-game win streak. Keenum has gone 10-3 in starts for the Vikings this season.

Zimmer also was asked when he started to feel comfortable with Keenum as his starter.

"I mean, how many games has he played?" Zimmer said. "Maybe four or five games ago, I'd say. You know, he's played well."

Keenum has thrown for 3,358 passing yards 21 touchdowns and seven interceptions on the season.

The Vikings (12-3) can secure the No. 2 seed in the NFC Playoffs with a win against the Bears (5-10).