SEATTLE (AP) -- Kyle Seager hit a two-run homer in the first inning, promising prospect Kyle Lewis added an RBI single and the Seattle Mariners closed out the season with a 3-1 win over the playoff-bound Oakland Athletics on Sunday.
Oakland finished 97-65 for the second straight year and rested most of its regular starters ahead of Wednesday night's AL wild-card game at home against Tampa Bay. The A's lost the wild-card game last year against the New York Yankees.
In the first year of what it hopes is a quick rebuild, Seattle finished 68-94, a 21-game decrease from last year's 89-win team.
Seager missed the first two months of the season with a hand injury and struggled when he returned in late May. But the former All-Star rebounded to finish the year with 23 home runs and 63 RBIs. Seager's homer off Tanner Roark (4-3) was his first since Sept. 10.
Lewis, who shined during his late-season call-up hitting six home runs in his first 10 games, lined a two-out single in the fifth after Austin Nola had doubled.
The A's had just three hits as Seattle used a variety of young arms to close out the season. Justin Dunn was impressive in his two innings and Reggie McClain (1-1) got the victory, including a key groundout from Stephen Piscotty with runners on second and third to end the third inning.
The Mariners got a key defensive play on J.P. Crawford's leaping catch on Robbie Grossman's line drive to end the fifth inning and save a run.
Anthony Bass pitched the ninth for his fifth save.
Oakland SS Marcus Semien made only a brief appearance on the final day but managed to play in all 162 games this season. Semien led off the game with a pop out before being lifted.
Semien finished the regular season hitting .285 with 33 home runs and 92 RBIs. He appeared in 159 games twice previously in his career.
"I've had a lot of fun with this in the last day. Give him 161 and cut him off but that's not going to happen. So we'll get him an at-bat today. He deserves it," A's manager Bob Melvin said.
NO STARTER YET
Melvin said he doesn't intend to announce a starter for the wild-card game until Tuesday's workout day.
DOWN AT HOME
In part because of Seattle's rebuild, the Mariners saw a significant drop in attendance. Seattle drew 16,851 for the finale and finished the year unofficially at 1,791,895 fans for its 81 home games. A year ago, the Mariners drew 2,300,177.
Seattle OF Mitch Haniger hopes to resume his normal offseason workouts in the next couple of weeks. Haniger has not played since early June after suffering a ruptured testicle. He suffered a back injury during his rehab and it was the back problem that ultimately caused him to miss the rest of the season. Haniger said he doesn't anticipate any restrictions when spring training begins.
Athletics: Will host Tampa Bay in the AL wild-card game on Wednesday.
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