According to Doug Miller of MLB.com, the Seattle Mariners have sent right-handed pitcher Miguel Celestino to the Boston Red Sox to complete the January trade for first baseman Casey Kotchman.

Trade from January 5, 2010:

Team	Acquires
Red Sox	Utility Bill Hall RHP Miguel Celestino Cash
Mariners	1B Casey Kotchman

Celestino, 20, was 5-3 with a 4.73 ERA in 13 games (12 starts) for the Mariners’ rookie-level Arizona Mariners of the Arizona League in 2009.