Veteran righty Kevin Gregg has opted out of his minor league deal with the Mariners, Triple-A Tacoma announcer Mike Curto reports. Gregg signed with Seattle a few weeks back.

The 36-year-old started the year with the Reds, but was released after struggling to a 10.13 ERA in 10 2/3 innings. Gregg did show an ability to miss bats in that stint, racking up 14 strikeouts (against five walks). Gregg put up better results at Tacoma, putting up 9 1/3 innings of 2.89 ERA ball with an 8-to-5 strikeout-to-walk ratio.