Defensive end Andre Carter suffered a left knee injury late in the first quarter of Sunday's 41-23 win against Denver, according to the Patriots, and did not return.
Patriots right tackle Sebastian Vollmer suffered a right foot injury late in the first half of Sunday's 38-20 win against the Eagles and did not return.
The New England Patriots placed safety Josh Barrett on season-ending injured reserve Wednesday. Barrett injured his calf in Sunday's loss to the Giants.
Patriots linebacker Brandon Spikes underwent an MRI on his injured knee Monday and it revealed an medial collateral ligament strain, a league source told ESPN NFL Insider Adam Schefter.
Patriots linebacker Jerod Mayo hurt his MCL in his left knee midway through the second quarter of Sunday's 31-19 win against the Raiders, according to multiple reports.
New England Patriots defensive tackle Albert Haynesworth did not participate in Saturday's practice session due to illness and is one of 12 players listed as questionable for Monday's season-opener against the Miami Dolphins.
New England Patriots wide receiver Wes Welker said Tuesday he feels 'OK' after suffering a neck injury while making a tackle in Saturday's exhibition loss to the Detroit Lions.