Patriots signed DB Malcolm Williams from the team's practice squad. With Ras-I Dowling, Steve Gregory, and Patrick Chung out for Sunday's game against the Rams, the depth was badly needed. Williams, a 2011 seventh-rounder out of TCU, will be used mainly on special teams. He played in five games for the Patriots last season.

Patriots promoted DB Malcolm Williams from the practice squad. Williams was active for New England's Week 14 win over the Redskins, but was held off the stat-sheet. He could see time in the secondary Sunday is the Patriots bury the Bills early.

Patriots waived DB Malcolm Williams. Williams made his NFL debut in Week 14 after being promoted from the practice squad on Saturday. Roster yo-yo Ross Ventrone could be on his way back to the 53-man roster.

Patriots promoted DB Malcolm Williams from the practice squad. A seventh-round pick, Williams was cut from the active roster late in training camp and assigned to the practice squad. He'll be making his NFL debut if he's active against the Redskins. Despite the near constant state of flux in New England's secondary, most of Williams' snaps should come on special teams.