has a chance to become the first player in history to play for two teams in one postseason.
Per ESPN's Adam Schefter, Williams will be eligible to play for the Green Bay Packers in Sunday's NFC Championship Game after being elevated from their practice squad.
Williams spent most of this season as a free agent before signing with the Baltimore Ravens in November. The 37-year-old played in seven games for the team, including its 17-3 loss to the Buffalo Bills in the AFC Divisional Round.
After Baltimore's season ended, it released him on Jan.