Ribeiro could be forced to retire due to his struggles with alcoholism, according to his agent, Richard Labbe of La Presse reports.
Ribeiro cleared waivers Saturday, Elliotte Friedman of Hockey Night in Canada reports.
Ribeiro was waived by the team Friday, Adam Vingan of The Tennessean reports.
Ribeiro was a healthy scratch for Tuesday's game against the Penguins.
Ribeiro posted an assist in Tuesday's 5-4 OT loss to the Sabres.
Ribeiro was a healthy scratch for the second consecutive game Saturday against the Avalanche.
Ribeiro will be a healthy scratch for Thursday's home contest with the Bruins, Adam Vingan of the Tennessean reports.
Ribeiro registered two helpers -- one on the power play -- during Friday's 4-0 win against the Blues.
Ribeiro entered the holiday break riding a five-game pointless streak, and has scored a goal just once in his past 16 games.
Ribeiro notched two assists -- one on the power play -- in Tuesday's win over Colorado.