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Green Bay Packers starting cornerbacks Sam Shields and Tramon Williams were held out of practice Wednesday after leaving Sunday's game against the Miami Dolphins with injuries on consecutive plays in the third quarter.

With Carolina Panthers quarterback Cam Newton coming to town this weekend, Shields (knee) and Williams (ankle) would be potentially significance absences if they're unable to play Sunday. Their status are something to watch throughout this week.

It wasn't all bad news Wednesday. Inside linebacker Jamari Lattimore (neck) returned to practice after leaving in the first half against the Dolphins. Defensive end Datone Jones (ankle) was also able to practice after being inactive in Miami.

Receiver Jarrett Boykin (groin) had his first practice in almost three weeks. Center J.C. Tretter also had his first practice of the regular season.

Tretter, currently on temporary injured reserve, won't be available to play until following the Packers bye week. His first game back would be Nov. 9 against the Chicago Bears.

Green Bay coach Mike McCarthy will speak with the media briefly following today's practice. For full updates, check back to PackersNews.com throughout the afternoon.

-rwood@gannett.com and follow him on Twitter @ByRyanWood