SEATTLE (AP) - Oft-injured Mariners center fielder Franklin Gutierrez was placed on the 15-day disabled list with a strained right hamstring Tuesday, two days after coming off the 60-day DL for the same thing.
Dustin Ackley was called up from Triple-A Tacoma as Gutierrez's replacement.
The 30-year-old Gutierrez has played in just 18 games this season, hitting .267 with four doubles, five home runs and 11 RBIs. He had been on the disabled list from April 23-June 21. He came off Saturday and hit a home run in his first at-bat.
Ackley, the second pick in the 2009 draft, was sent to Tacoma on May 26. He hit .365 with eight doubles, two home runs and 14 RBIs in 25 games there. He's been a second baseman most of his major league career, but also played the outfield at Tacoma.

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