Adrian Peterson expects to remove the walking boot from his sprained left ankle Thursday. He also expects to play Sunday against Atlanta. Leslie Frazier will make the final call on whether he plays, but Peterson says his mentality is to go out and "see what he can do."

Adrian Peterson removed the walking boot from his sprained left ankle Friday, but he was still unable to practice. Head coach Leslie Frazier says Peterson is “very, very doubtful” for Sunday’s game in Atlanta. The only players who are officially out for the game are Husain Abdullah and Anthony Herrera.

Vikings Coach Leslie Frazier says Peterson's might make it back to the line up Sunday after missing the last three games. The running back says his injured ankle in about 85 percent healed.

Vikings coach Leslie Frazier says Adrian Peterson is on schedule in his recovery from blowing out his left knee -- but he's still not ready to run on dry land.

Vikings head coach Leslie Frazier says Adrian Peterson is "questionable" for Sunday's game against Denver. Peterson is nursing a high ankle sprain. He sat out last week's loss to Atlanta.

Adrian Peterson tested his reconstructed left knee by running inside the Vikings' practice facility at Winter Park last week. The goal of the test run was to judge Peterson's movement. Leslie Frazier told reporters Tuesday that head trainer Eric Sugarman was "really impressed with his movement and the things he was able to do."

An MRI reveals Vikings running back Adrian Peterson suffered a high ankle sprain in Sunday's loss to Oakland, with some ligament damage. Peterson will be in a walking boot for the next couple of days. His availability for this week's game in Atlanta is in doubt.

Head coach Leslie Frazier is "optimistic" that Adrian Peterson will play Sunday when the Vikings host the 10-3 New Orleans Saints. Peterson has missed the last three-and-a-half games with a high ankle sprain.