The Seattle Mariners have claimed Jeff Gray off waivers from the White Sox, reports Larry Stone of the Seattle Times. Gray was designated earlier this week to make room on the roster for Jake Peavy.

The Mariners optioned Dan Cortes to Triple-A to make room for Gray reports Larry Stone of the Seattle Times.

Cortes had only made 1 appearance so far this season and had a base hit. In 2010 he threw 5 1/3 innings and allowed two earned runs.

Gray posted a 2.79 ERA with 7 SO in 13.1 innings with the White Sox this season.

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