Hillsborough County (Fla.) State Attorney spokesman Mark Cox said Pineda entered the plea Wednesday in a Tampa courtroom.
Pineda was arrested and charged with DUI in Tampa on Aug. 20 last year.
Cox says a judge ordered that Pineda serve 50 hours community service, up to one year of probation, attend DUI school and pay a $500 fine.
The 24-year-old Pineda was traded to the Yankees by the Seattle Mariners after the 2011 season. He missed all of 2012 with a shoulder injury, and he's expected to be out until at least June of this year as he recovers.
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