Yu Darvish, the rookie from Japan, makes his postseason debut against the Orioles.
Yu Darvish, the rookie from Japan, makes his postseason debut against the Orioles.
ted s. warren/associated press

ARLINGTON, Texas — After a grinding stretch when the Texas Rangers lost nine of their last 13 games, and the AL West crown in the process, manager Ron Washington gave his players the day off Thursday.

They get a chance to start fresh Friday.

One chance — or the season will be over for the two-time defending American League champions long before another World Series.

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‘‘I don’t feel any different,’’ Washington said. ‘‘Other than the fact we have an opportunity to get back in the playoffs if we win a ball game.’’

Still, the team that twice came within a strike of winning last year’s World Series, never expected to be in this kind of postseason situation.

Instead of winning another division title, after being in first place for a majors-high 178 days this season, Texas hosts a winner-take-all AL wild-card game Friday night against Baltimore and former manager Buck Showalter.

Yu Darvish makes his MLB postseason debut for the Rangers against the only AL team the righthander from Japan didn’t face this season. Lefty Joe Saunders, a late-season acquisition by the Orioles, has never won at Rangers Ballpark.

The winner goes on to play the New York Yankees, another of Showalter’s former employers, in the AL division series and will host the first two games.

Baltimore is in the playoffs for the first time in 15 years. Showalter, hired by the Orioles midway through the 2010 season, dismissed any notion that it means more to him getting to face Texas, where he managed for four years and then was replaced by Washington after the 2006 season.

‘‘For our players and organization to get an opportunity, it’s rewarding. We’re trying to do everything possible to get back to Baltimore,’’ Showalter said.

Just a week ago, Texas had a four-game division lead with six to play after splitting a four-game series at home against Oakland. The Rangers lost five of those last six games, including a three-game sweep this week against the A’s, who clinched the division title on the last day of the regular season with a 12-5 victory.

The Rangers had a 5-1 lead in the season finale before Oakland’s big comeback, including center fielder Josh Hamilton missing a popup for a two-base error with two outs that allowed two runs to score and broke a 5-all tie.

While Darvish (16-9) is a rookie in the majors, the 26-year-old starter had plenty of postseason experience before the Rangers committed more than $107 million last winter to acquire Japan’s top pitcher. He was 8-2 with a 1.38 ERA and five complete games in 11 postseason starts for the Hokkaido Nippon-Ham Fighters from 2006-11.

The Orioles acquired Saunders (9-13 overall, including 3-3 in seven starts for Baltimore) on Aug. 26 from Arizona. The lefty has previous playoff experience for the Los Angeles Angels.

But Saunders is 3-7 with a 6.48 ERA in 11 career starts against Texas, including 0-6 with a 9.38 ERA in six previous starts at Rangers Ballpark.