The Seattle Mariners had their chances to score Friday night at Oakland.
The Mariners left 15 runners on base, including three in the ninth inning, and the Athletics hit three homers en route to a 6-2 win.
The Athletics (26-25) have won seven consecutive games, and they beat the Mariners (23-30) for the first time in five games.
Oakland closer Blake Treinen forced Shed Long to line out with the bases loaded to end the game. Early in the game, the Mariners had many runners on base, as Oakland starter Daniel Mengden threw 99 pitches in four innings, but led only 1-0.
The Athletics scored four runs in the fourth inning, as, back-to-back, Matt Olson hit a three-run homer and Mark Canha a solo shot, both off Seattle starter Wade LeBlanc.
Later, Stephen Piscotty, who had three hits, hit a solo homer for Oakland.
Domingo Santana had three of Seattle's 10 hits.
The Mariners, who have gone 10-28 since their 13-2 start, play the Athletics again at 1 p.m. Saturday. Their best pitcher lately, Yusei Kikuchi (3-1, 3.43), pitches opposite Oakland's Mike Fiers (3-3, 5.12).
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