The Mariners have optioned Dustin Ackley to Triple-A Tacoma and promoted Nick Franklin.

Ackley, the No. 2 overall pick in the 2009 First-Year Player Draft, was hitting just .205 with one home run and eight RBIs in 45 games this season.

Franklin, 22, was the 27th overall pick in the 2009 Draft out of Lake Brantley (Fla.) High School. He was hitting .324 with four home runs and 20 RBIs in 39 games with Tacoma this season.