Presley is hitting for a .339 average with a .904 OPS this year in AAA.

About a year ago at this time, the Pittsburgh Pirates had started promoting players from their AAA squad to take over for some of the struggling players in the majors.  The decisions to be made were easy.  Aki Iwamura was struggling at second base, with a .173/.274/.250 line at the plate when he was replaced with Neil Walker, who had an impressive .321/.392/.560 line in Indianapolis.  Jeff Clement and Andy LaRoche were also struggling, which made it easy to call up top prospects Pedro Alvarez and Jose Tabata to replace them in the lineup.

One year later the Pirates have a few players in the lineup struggling, and a few players in AAA who look deserving of a call-up.  Lyle Overbay is currently hitting for a .229 a...

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