Left tackle Matt Kalil missed practice for a second consecutive day Saturday because of back tightness and is questionable for Monday's game.
Kalil received treatment during practice and said his back felt better.
"From the way I felt [Friday] to the way I felt today and if it keeps progressing, then yeah I'm pretty confident I'll play Monday, if I don't have any setbacks or anything," he said.
J'Marcus Webb presumably would take Kalil's spot if he's unable to play. Kalil said he's hopeful that his back will continue to improve throughout the weekend.
"It's hard to tell with these kind of things," he said. "One day you can be fine and the next day I could wake up stiff again. I'm just working every day trying to get as loose as I can and hopefully I'll be ready to play Monday."
Adrian Peterson returned to practice and is probable after dealing with hamstring tightness this week. Peterson missed Friday's practice.
Frazier said cornerback A.J. Jefferson will not play because of an ankle injury. Frazier said cornerback Jacob Lacey, who signed this week, likely will be active in place of Jefferson.