OAKLAND -- Coco Crisp hasn't made a habit of game-winning homers in his decade in the big leagues, so don't take his walk-off solo homer in the 12th inning Thursday as a sign things have changed.
Crisp, who'd patiently walked in three of his first five trips to the plate earlier in the game, went away from his strength and tried to hit the ball into next week.
He did, hitting Hector Noesi's second pitch out over the right field scoreboard for the run that gave the A's a 3-2 win and brought the Mariners' three-game winning streak to start the season to an end.
"On the first pitch I thought, 'Let it fly' and I didn't get it," Crisp said. "Then I thought 'Stop it, go back to the normal swing.' And then I said, 'Nah' and let it fly again."
This one carried deep into the night and made Crisp the first A's leadoff hitter since Eric Byrnes in 2004 to get a walkoff homer. It was, in fact, the first walkoff homer of Crisp's career.
"I kind of went up there thinking that way," Crisp said. "Nine out of 10 times, that's not going to work."
This, evidently, was the 10th time.
Crisp has never been a power hitter of note, but last year he made some changes to his swing as he battled through some injuries and result was a career-best 22 homers, more than he'd hit in the previous two seasons combined.
The center fielder isn't going to start swinging for the fences. But he said "there are times when the count is right when you can think about it."
Manager Bob Melvin said "a little bit of will was involved" in seeing Thursday's game through to a successful conclusion.
And right fielder Josh Reddick, who hit the ball hard three times but only had one hit to show for it, couldn't have agreed more. With 12 innings Thursday added to 18 innings in a doubleheader Wednesday, that was 30 innings of baseball in 36 hours.
"30 innings is a lot of baseball," Reddick said. "It takes a toll on you. So it's nice to get one like this. Coco came through."
The pitching win went to lefty Drew Pomeranz, who threw a 1-2-3 12th inning as A's relievers gave up just one hit and one walk in six innings.
The game pitted a Mariners offense that had scored a majors-best 26 runs in a three-game sweep of Anaheim -- no other team came into Thursday having scored more than 17 times -- against A's pitching staff that had mostly been on top of its game except for the foibles of closer Jim Johnson.
The Oakland pitchers proved their mettle, giving up just two runs, only one of those earned, in the 12 innings. The bullpen threw six shutout innings after Jesse Chavez turned in a nice performance for 91 pitches and six innings in his first start with Oakland and just the third start of his career.
Down 2-0 early, the A's got big triples from Sam Fuld in the fifth and Yoenis Cespedes in the eight to tie the game. Fuld's liner rolled all the way to the fence in right-center, scoring one run and very nearly scoring two. Fuld was called out at the plate. At the urging of manager Bob Melvin, umpire crew chief Fieldin Culbreth ordered a play review to see if Mariners catcher Mike Zunino illegally blocked the plate, but a 3½-minute review saw no problems.
Cespedes' big hit came after Jed Lowrie, batting with two on and no outs in the eighth, grounded into a double play. It could have taken the wind out of the A's sails, but it did not.
"That was a big one from Cespedes, just like the one from Sam earlier," Crisp said.
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Seattle (Chris Young, 4-9 in 2012), at A's (Dan Straily,
10-8 in 2013), 7:05 p.m. CSNCA