Aardsma has played parts of seven seasons in the major leagues, with a career 4.22 ERA in 255 games (266.2 innings). He has posted a 1.433 WHIP overall, last appearing with the Yankees last year, appearing in only one inning and allowing a solo home run and one strikeout.
His best seasons cam in 2009 and 2010, where he saved a combined 69 games and posted a 2.90 ERA as the Seattle Mariners closer.
Aardsma had Tommy John surgery in July of 2011. He signed with the Yankees in 2012, who released him in early April of this year. The Miami Marlins signed Aardsma on April 13. They released him last week.
He will report to Triple-A Las Vegas.