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NEW YORK -- The New York Yankees lost the AL Championship Series opener and their captain when Derek Jeter broke his left ankle moments after Detroit's Delmon Young doubled home the go-ahead run in the 12th inning, giving the Tigers a bizarre 6-4 win on Saturday night.

In a game of wild swings and wild swings of emotion, the Tigers took a 4-0 lead into the ninth before Raul Ibanez struck again, hitting a tying, two-run homer with two outs that turned a somber crowd into a delirious one.

And then came a little grounder up the middle that devastated the Yankees and their fans, who saw their leader writhing on the ground, screaming in pain.

Jeter rolled when he reached down in an attempt to glove Jhonny Peralta's grounder up the middle in the 12th, planted his left foot and tumbled, landing on his stomach. Unable to move, he backflipped the ball toward second baseman Robinson Cano.

Jeter was down for about a minute and was helped up, then assisted to the dugout with manager Joe Girardi on his left and trainer Steve Donahue on his right.

"They talked about a three-month recovery period," Girardi said. "Won't jeopardize his career, but he will not be playing any more for us this year."

Jeter, who extended his career record earlier in the game with his 200th postseason hit, has been playing with a sore left foot for weeks. He joined closer Mariano Rivera on the sidelines. Rivera tore a knee ligament in May while shagging fly balls before a game in Kansas City.

"It is kind of a flashback to when Mo didn't get up," Girardi said. "Oh, boy, if he is not getting up, something's wrong. We have seen what he played through in the last month and a half, and the pain he has been in, and how he found a way to get (through) it. So it brought back a flashback for me."

Still, without Rivera, the Yankees won the AL East for the 13th time in 17 years.

"I think some people left us for dead when Mo went down, and here we are in the ALCS." Girardi said. "And Jeet is going to tell us, `Let's go."

Eduardo Nunez will fill Jeter's roster spot, with Jayson Nix likely taking over at shortstop.

"We've got to win this series. Somebody's got to step in and fill that spot," starting pitcher Andy Pettitte said.

Detroit was coasting toward a 4-0 win before the Yankees rocked Tigers closer Jose Valverde in the ninth. Valverde has allowed seven runs in three playoff games and could lose his closer's role to Octavio Dotel.

"We really want to put our heads together and discuss it first, to be honest with you, and get together as a coaching staff and talk about it," Tigers manager Jim Leyland said.

Ichiro Suzuki started the comeback with a two-run homer with one out, and the 40-year-old Ibanez hit another two-run drive with two outs. Three nights earlier, Ibanez hit a tying home run in the ninth against Baltimore in Game 3 of the ALDS and another homer in the 12th to win it.

"If we are going to be good enough, we have to be able to take a punch, and we took a big punch," Leyland said. "We took a right cross in the ninth inning but we survived it."

Young's one-out double off David Phelps, which followed a leadoff walk by Triple Crown winner Miguel Cabrera, sliced in right and eluded Nick Swisher, who appeared ready to dive but couldn't get his glove out when he realized the ball was closer to him than he had thought.

"I thought I had a great jump, but then I got caught in the lights, and I lost it for a few seconds," Swisher said. "I was completely blind. It's a helpless feeling. I really thought I could make that play."

Young drove in three runs, hitting an RBI single in a two-run sixth against Pettitte, and a solo homer in the eighth against Derek Lowe. That gave him a Tigers record six postseason homers, breaking a tie with Hank Greenberg and Craig Monroe.

"We're big leaguers. Things are going to happen," Young said. "The other team wants to drive Mercedes-Benz's and eat Morton's, too. ... We got back in to play the 10th inning. Everyone just regrouped, and basically a 0-0 ballgame."

Tigers rookie Avisail Garcia singled in a run against Boone Logan, and Andy Dirks added an RBI single in the 12th on a comebacker that glanced off Phelps' pitching hand.

Rookie Drew Smyly, who had started warming up in the third when starter Doug Fister took a line drive off his right wrist, got the win by pitching two scoreless innings.

In Game 2 on Sunday, New York will start Hiroki Kuroda, who will be pitching on three days' rest for the first time in his big league career. Detroit will send Anibal Sanchez to the mound.

Twenty-five of 42 previous Game 1 winners have gone on to take the AL pennant.

Before the 12th, the star of the night was Ibanez, the first player to hit three home runs in the ninth inning or later in a single postseason.

On Wednesday, he hit a tying shot as a pinch hitter, and three innings later became the first player to hit two homers in a postseason game he didn't start.

This made him the first player in baseball history with two tying ninth-inning home runs in a single postseason, according to STATS LLC. Johnny Bench, in 1972 and 1976, had been the only player to do it twice in a career.

Fister escaped three bases-loaded jams in the first six innings -- the first time in their 375 postseason games the Yankees stranded a trio of runners three times without scoring in any of those innings, according to STATS LLC.

Alex Rodriguez, back in New York's lineup following a benching in Friday's division series finale, was 0 for 3 and stranded six runners -- striking out on three pitches with runners at second and third and no outs in the sixth as fans booed loudly.

Girardi sent up Eric Chavez to hit for A-Rod in the eighth, the third time Rodriguez was taken out early in the last three games he has played.

Not that A-Rod's teammates were any better. New York left the bases loaded in three innings without scoring in them for the first time ever in 375 postseason games, according to STATS LLC. The Yankees stranded 13 runners and were 3 for 13 with runners in scoring position, leaving them at 10 for 45 (7 for 32) (.222) in the playoffs.

Fister, who beat the Yankees in Game 5 of last year's division series, had a shaky start, walking the bases loaded in the first and allowing three two-out singles in the second.

Rodriguez bounced into a forceout that ended the first, with shortstop Peralta making a spectacular diving stop. In the second, Cano lined a ball off the inside of Fister's right wrist, and Peralta picked it up on a bounce and threw to first for the out. Both plays were so close that even replays didn't definitively show whether the calls were correct.

Detroit was so concerned about Fister's wrist that Smyly started warming up in the third. Fister changed from a short sleeve undershirt into long sleeves and stayed in the game for 6 1/3 scoreless innings. His finest moment came with Detroit leading 2-0 in the sixth. After fanning Rodriguez, he loaded the bases with a walk to Swisher, then struck out Curtis Granderson and Martin with breaking balls.

Fister allowed six hits, struck out five and walked four.

"It was a little stiff, little sore, but nothing too major," Fister said. "I went in and checked it out, and made sure nothing was remarkably hurt. Put on some sleeves to keep warm, and went back out there."

Rodriguez was dropped to sixth in the batting order for the first time since the 2006 playoff finale against Detroit, but the key situations find the $275 million man no matter where he is. He is hitting .105 (2 for 19) with no RBIs in the postseason, going hitless in 15 at-bats against right-handed pitchers with 10 strikeouts. A-Rod hasn't homered in 87 at-bats since Sept. 14.

Cano (2 for 28), Granderson (3 for 23) and Swisher (3 for 23) also remained mired in deep postseason slumps, with Swisher's eighth-inning double the only hit among the three.

Making his record 44th postseason start, Pettitte gave up two runs and seven hits in 6 2/3 innings.

Game notes

Leyland is 2-4 in previous LCS he has managed. ... On a cool, 49-degree night, there were empty seats in the top two decks in the outfield for the second straight day.