Mets release Wily Mo Pena and Javier Valentin from Triple-A

Via Bisons.com:

New York also announced that INF/OF Wily Mo Pena and INF Javier Valentin have been released.
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Pena hit .276 (40-145) with five home runs and 21 RBI in 41 games with the Bisons.

Valentin, who had been on the disabled list since June 15 with a strained right shoulder, hit .260 (20-77) with three home runs and 10RBI in 23 games with the Herd.

Valentin I can understand due to his shoulder issues.

Why release Pena?  Not that big of a deal in the grand scheme of things, but Pena was second on the team with five home runs.  His 21 RBI was good for third.  His OBP was pretty poor, standing at .296 , but not low enough to warrant a release.

Again, not that huge in the grand scheme of the Mets, but something that might come back to bite them, especially with all these injuries.