We are down to one game.
The series is tied at two games apiece, with no room for error.
Pitching for the Yankees will be CC Sabathia, who won Game 1 at Camden Yards for the Bombers.
For the Orioles, right-hander Jason Hammel will be looking to stop the Yankee lineup.
Who will take Game 5 and move on in the playoffs? Follow live in this live blog of the game and check back for score updates.