The Mariners' prize prospect hit the second pitch he saw for a home run to ignite a five-run second inning by Tacoma in a win over Reno.

RENO, Nev. — Dustin Ackley homered on the second pitch he saw in his Class AAA debut, helping Tacoma beat Reno 11-7 in a Pacific Coast League game Thursday night.

Leading off the second inning, Ackley looked at a strike before launching a home run to right-center field. The 22-year-old second baseman finished 1 for 5 with two runs batted in. He also grounded out three times and struck out.

Ackley, the No. 2 overall pick in the 2009 draft behind Stephen Strasburg, was promoted from AA West Tennessee this week.

Greg Halman and David Winfree each went 3 for 5 with a home run for Tacoma (52-39).

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AquaSox edge Yakima

YAKIMA — Kevin Rivers singled up the middle in the top of the ninth, driving home the tiebreaking run as the Everett AquaSox beat Yakima 2-1 in the Northwest League.

Terry Serrano drove in the other run for the AquaSox (19-8) with a double in the seventh.