BALTIMORE — Sometimes, postseason experience isn’t all that important.
How else to explain the Baltimore Orioles beating the playoff-tested New York Yankees, and rookie Wei-Yin Chen outpitching 40-year-old Andy Pettitte?
With Chen leading the way, the Orioles squeezed out a 3-2 victory Monday night to even their AL Division Series at one game apiece.
Chris Davis drove in two runs for the wild-card Orioles, who used the same formula that got them into the postseason for the first time in 15 years: a magnificent bullpen and an ability to win tight games. Baltimore was 29-9 in one-run decisions during the regular season and 74-0 when leading after seven innings.
Major league saves leader Jim Johnson, roughed up for five runs in a Game 1 loss, came back to pitch a perfect ninth to close it out.
The rest of the best-of-five series is at Yankee Stadium, beginning with Game 3 Wednesday. Hiroki Kuroda will start for AL East champion New York against rookie Miguel Gonzalez.
‘‘It means everything,’’ Davis said of the win. ‘‘You definitely don’t want to go into New York in a five-game series down two games. This is big — having the day off tomorrow, hopefully building some momentum, and we can take that into New York.’’
Chen gave up two runs, one earned, and eight hits over 6⅓ innings. The Taiwan native, who pitched previously in Japan, was 1-2 with a 5.25 ERA in four outings against New York this season.
‘‘I thought he pitched inside pretty effectively tonight to some of our righthanded hitters,’’ Yankees manager Joe Girardi said. ‘‘It seemed like Baltimore and us have kind of gone back and forth all year and that’s what we did here.’’
Chen left with a 3-2 lead, and the bullpen made it stand up. Johnson retired Derek Jeter and Ichiro Suzuki on grounders and struck out Alex Rodriguez to end it in front of a rollicking crowd at Camden Yards.
Much earlier, Suzuki’s deft dancing at the plate put the Yankees ahead.
Pettitte, whose 19 wins and 43 starts are the most in postseason history, allowed three runs and seven hits in seven-plus innings.
Pettitte, however, got little offensive backing. New York stranded 10 and went 2 for 8 with runners in scoring position.
After Davis hit a two-run single to put Baltimore up, 2-1, in the third inning, Matt Wieters led off the sixth with a double and scored on a single by Mark Reynolds to make it 3-1.
But New York came right back in the seventh. Eduardo Nunez got a double when Davis couldn’t catch his blooper to right and Jeter followed with an RBI single.
The Yankees used the nifty footwork of Suzuki to take a 1-0 first-inning lead. Jeter led off the game with a single and Suzuki reached when Reynolds fumbled a barehand pickup at first base for an error.
Rodriguez hit a low line drive at second baseman Robert Andino, who caught it and doubled up Jeter. Cano followed with a drive to the base of the right-field wall for a double. The relay from Davis to Andino to Wieters beat Suzuki to the plate, but he dodged the tag coming toward home. Suzuki then circled around the batter’s box, juked around the catcher’s desperate lunge, and touched the plate.