When two division rival NFL teams meet
each other a third time in a playoff matchup after playing
each other twice during the regular season.
Can also be used as a synonym for
rubber match or tiebreaker in a best-of-three series
The Ravens and Steelers, who each won a game during their home-and-away matchups earlier in the season, will
square off in their threematch on Saturday in
Pittsburgh. The winner of the threematch advances to the
conference final, and the loser goes home.