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Green Bay --- The Green Bay Packers do have an extra day to prepare for the Atlanta Falcons, but two of their key contributors on defense remain sidelined. Cornerback Sam Shields, who suffered a concussion against New England, was not present at Friday's practice. And defensive end Mike Daniels, considered "day to day" by coach Mike McCarthy on Thursday, remained out with his back soreness.

McCarthy opted to use one of his allotted padded practices on Friday.

Elsewhere, second-year defensive lineman Josh Boyd (knee) returned and guard Lane Taylor was not presence. He wasn't listed on the injury report yesterday.

Both guards Josh Sitton and T.J. Lang were in full pads, practicing. They've been battling through injures since Green Bay's loss at New Orleans.

Daniels teamed up with Mike Neal late in Green Bay's 26-21 win against the Patriots for a sack on third down. Shields has 30 tackles (27 solo), two interceptions and eight pass break-ups on the season. He's still working through his concussion protocol, and apparently not well enough to attend practice as a spectator quite yet. Davon House (26-1-8) would replace him outside if he cannot go.

Coach Mike McCarthy will speak at around 1:30 p.m. (CT).