Pittsburgh, PA (Sports Network) - The Pittsburgh Pirates placed infielder John
McDonald on the 15-day disabled list Wednesday due to a lower back strain.
McDonald, who is batting just .065 (2-for-31) in 16 games this season,
sustained the injury during Tuesday's extra-inning victory over Milwaukee.
The Pirates recalled infielder Jordy Mercer from Triple-A Indianapolis to fill
McDonald's spot on the active roster.
Mercer had just been sent back to the minors when the Pirates activated second
baseman Neil Walker from the DL on Monday. The 26-year-old had a two-homer
game in a win over the New York Mets this past Saturday, and belted three
homers in 31 at-bats while batting .258 over a nine-game stint prior to being
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