Davis (knee) was moved to injured reserve on Monday.

EDGE Analysis

Davis was carted off the field during the Niners' game against the Cardinals on Thursday and did not return. The specifics of his injury are unclear, however. JaCorey Shepherd was signed to take his place on the active roster.

Davis was carted off the field on Thursday with a knee injury, and will not return, Matt Maiocco of the CSN Bay Area reports.

EDGE Analysis

The severity of of Davis' injury is unknown at this time. He had recorded one tackle prior to sustaining the injury. Keith Reaser figures to see more time providing depth at cornerback in Davis' absence.

Davis (hamstring) will play Sunday against the Panthers.

EDGE Analysis

Davis will make his season debut on Sunday after missing Week 1 with a hamstring aliment. He was the team's starting nickelback during the preseason, a role he figures to reclaim from Jimmie Ward, who started in Davis's absence last week.

Davis (hamstring) is questionable for the 49ers' Week 2 matchup against the Panthers.

EDGE Analysis

Davis did not play in the regular season opener and was a limited participant all week. Should he play, he projects as the team's starting slot corner.

Davis (hamstring) returned to practice in a limited capacity Wednesday, CSNBayArea.com reports.

EDGE Analysis

Davis won out as the 49ers' top nickel back during training camp, but missed the regular season opener due to a hamstring injury. In his place, Jimmie Ward moved over to defend the slot in obvious passing situations. Should Davis play this week, he'll likely reclaim that very role and allow Ward to operate exclusively on the outside.

Davis (hamstring) is doubtful to play in Monday's season opener, Eric Branch of sfgate.com reports.

EDGE Analysis

In all likelihood Davis won't be available for the season opener Monday which could pave the way for Keith Reaser to see additional playing time. Currently, Reaser is slotted a depth corner behind Davis on the niners official team depth chart.

Davis (knee) sat out Thursday's practice, Matt Maiocco of CSN Bay Area reports.

EDGE Analysis

Davis is San Francisco's nickel corner and his status for Monday's game is looking worse the more time he's out. If he's unable to play look for Jimmie Ward to slide in as the nickel back.

Davis sat out Wednesday's practice with a knee injury, CSN Bay Area reports.

EDGE Analysis

Davis -- who won the starting nickel job during the preseason -- was seen wearing a sleeve on his left knee during Wednesday's practice. It is unclear what the ailment is, but his status for Monday's season-opener against the Rams is in question.

Davis is an early front-runner to win the starting nickel back job out of training camp, CSN Bay Area reports.

EDGE Analysis

Davis -- who was picked up off the scrap heap last season -- started Sunday's preseason opener as the team's nickel back and has left a good impression early on. This comes as a bit of surprise on a team loaded with young talent at corner. Right now it appears Davis has the leg up in the competition for that role heading into the season.