This offseason has been a tumultuous one for the centers on the Washington Redskins roster. Longtime starter Kory Lichtensteiger elected to retire after an underwhelming season in which he dealt with injuries. Spencer Long is still on the roster, and he had a solid season as the starter for the team. However, there were some questions about the depth behind him, as John Sullivan was a free agent. Now, Sullivan is gone, as he signed with the Los Angeles Rams on Wednesday, per NFL Network’s Ian Rapoport. That will leave a void at the backup center position for the team.