McDonald (hamstring) will not play against the 49ers on Sunday.
McDonald was able to return to practice after sitting out on Wednesday, but will be held out due to the lingering nature of hamstring injuries. However, he appears to have an optimistic chance of returning next week. Akeem Spence will get the start on Sunday as his replacement.
James (undisclosed) reached an injury settlement with the Buccaneers on Wednesday, ESPN reports.
Following a three-year stint with the Bucs, the team decided to part ways with James due to a vague injury he can't seem to overcome. In the wake of his release, Tampa Bay promoted rookie Peyton Barber from the practice squad and plucked Jacquizz Rodgers off the free agent market.
Bell (concussion) reached an injury settlement with the Buccaneers on Thursday, Aaron Wilson of the Houston Chronicle reports.
Bell suffered a concussion in Week 4's preseason finale against the Redskins, leaving him on the sidelines for an extended amount of time. The team decided to part ways with wideout instead of holding him on IR for the year.
Dixon left Saturday's preseason matchup with an apparent chest injury and is questionable to return, Jonathan Jones of the Charlotte Observer reports.
In his NFL debut last week, Dixon tallied three tackles against Baltimore. The Washington product has taken reps at both cornerback and safety for Carolina in the early going, but with a lot of uncertainty surrounding Dixon and his injury, it remains to be seen if he'll be able to squeak onto the roster by preseason's end.
Johnson (Achilles) was placed on the Panthers' reserve/NFI list on Monday, Steve Reed of the Associated Press reports.
Johnson also began training camp on the active/NFI list after undergoing offseason surgery to repair an Achilles injury suffered last season with the Patriots. Although no timetable was provided for his return, Johnson could theoretically resume playing after the first six weeks of the regular season.