In a deal that had been all but done for a week, the Mariners made it official today, announcing the signing of left-handed reliever George Sherrill to a 2012 contract.
Sherrill is well known around these parts, having pitched for the Rainiers and Mariners, who signed him out of an independent league in July of 2003. Sherrill began his pro career pitching four-plus seasons in the Independent Leagues with Evansville, Sioux Falls and Winnipeg.
In four seasons with the Mariners, he combined for a 3.65 ERA in 195 appearances. He made 73 appearances in 2007, tied for fourth-most in …