January 20, 2009 at 10:21 PM
Aardsma sent to Seattle for Fabian Williamson
Aardsma pitched in 47 games out of the Boston bullpen last year, going 4-2 with a 5.55 ERA. He compiled 49 strikeouts and 35 walks in 48.2 innings pitched. The hard-throwing righthander will join his fifth major league team in six years, having previously pitched with San Fransisco and both Chicago teams before joining the Red Sox via an off-season trade in January, 2008. He will likely fill a middle-relief role with the Mariners.