By C. Trent Rosecrans
The Yankees have signed former Mariners closer David Aardsma.
The right-hander underwent Tommy John surgery last July and has signed a one-year deal worth $500,000 with a club option for 2013.
"The move could help us in 2012, but it has a lot more eyes toward 2013," Yankees general manager Brian Cashman told MLB.com.
Aardsma, 30, didn't pitch at all last season, but recorded 31 saves in 2010 and 38 in 2009. He is 13-15 with a 4.20 ERA and 69 career saves. He's averaged roughly a strikeout an inning throughout his career.
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