The sides have been sent to the Judge's chamber:
Cindy Boren:
Judge orders NFL, players to resume talks under supervision of mediator from federal court system in Minneapolis.
NFL, players ordered to resume talks - The Washington Post
The judge's Bio (short and sweet) from Minnesota Court page:
Guidant MDL | United States District Court - District of Minnesota
The definition of a Federal Magistrate (From Judgepedia - yeah I LOL@that)
Federal magistrate judge - Judgepedia