Martinez led off the second inning with his second homer off Mussina in the series and fifth in 35 lifetime at-bats against the right-hander.
Both pitchers settled down after that. Mussina struck out the side in the third inning and Johnson got his first 1-2-3 inning in the fourth. By that time, Johnson threw 79 pitches and had seven strikeouts.
Johnson added two more strikeouts in the fifth before Berroa drove a 1-0 slider into the left-field seats, giving the Orioles a 3-1 lead and drawing derisive chants of "Ran-dee, Ran-dee" from the sellout crowd.
Berroa also homered off Johnson in the opener.
Indians 3, Yankees 2
At Cleveland, Omar Vizquel slapped a game-winning hit off Ramiro Mendoza's glove in the ninth and the Cleveland Indians avoided elimination at the hands of their old nemesis.
The teams will meet Monday in the first playoff game in Cleveland baseball history in which both teams face elimination. Cleveland rookie Jaret Wright, who won Game 2 impressively in New York, faces Yankees lefty Andy Pettitte.
Sandy Alomar set up the ninth-inning drama with yet another heroic homer in the best year of his career. Alomar, who hit the game-winning homer in the All-Star game at Jacobs Field, tied it 2-2 in the eighth with a solo homer off Yankees' closer Mariano Rivera.
It was the first run New York's bullpen surrendered in the series, but not the first time the Indians have beaten Rivera. On July 14 at Yankee Stadium, Marquis Grissom beat Rivera with a 10th-inning homer.
Grissom led off the ninth with a bloop single to right, and Bip Roberts sacrificed. Vizquel then smacked a ball off Mendoza's glove that bounced past shortstop Derek Jeter, who got crossed up and was expecting to field it up the middle.
Cleveland avoided getting ousted in the first round for the second straight year and snapped a 22-inning slump in which they scored only two runs.
The Indians also stopped New York's nine-game postseason road winning streak.
Graeme Lloyd, Nelson and Mike Stanton extended New York's bullpen's scoreless innings streak to 11 2-3 innings before Alomar, now 3-for-6 in his career against Rivera, homered to right.
Dwight Gooden and Orel Hershiser dueled brilliantly into the seventh in a rematch of a Game 1 showdown in the 1988 NL championship series.
Gooden was making his first postseason start since Game 4 of the '88 NLCS, which his Mets lost to Hershiser's Dodgers in seven games.
Hershiser is 8-1 in 14 postseason starts.
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