Wisniewski has met with a number of teams this offseason, but surprisingly has yet to sign on with a new team.
He has visited with the Jaguars, Patriots, Seahawks and Buccaneers with the Bears and Rams also coming up as a potential options for Wisniewski.
Wisniewski, 25, has played out his four-year, $4,135,402 rookie contract and will be an unrestricted free agent as of tomorrow.
Oakland used a second-round pick on Wisniewski back in 2011 and he has gone on top appear in 61 out of 64 total games. Pro Football Focus has him down for playing 1041 snaps this season and rates his as the No. 22 center out of 41 qualifying players.
We have Wisniewski listed as the No. 52 player in our Top 100 Free Agents list.