Yankees prospect Greg Bird's stats are deceiving.

The first baseman, playing with Double-A Trenton, is batting just .224 and has been held hitless in seven of his 14 games.

So he's slumping, right? Not quite.

Bird sports a .377 on-base percentage, aided by nine walks. He has a hit or walk in 13 of his 14 games. Six of his 11 hits are for extra bases, giving him an isolated power of .164. Isolated power is slugging percentage minus batting average, focusing solely on extra-base hits. The MLB average isolated power in 2014 was .135.Bird also has struck out just seven times and has only one strikeout in his last five games.

On Thursday, Bird was 2-for-4 with two doubles and a walk as Trenton beat Portland, 5-0. Rightfielder Aaron Judge went 2-for-4 with a double and a walk, centerfielder Jake Cave was 3-for-5 and leftfielder Mason Williams was 1-for-4 with a walk and a stolen base for the Thunder (9-5).

Elsewhere in the minors

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The game against Pawtucket was postponed due to inclement weather.


Shortstop Tyler Wade was 3-for-4, and centerfielder Mark Payton went 1-for-4 with a stolen base as the Tampa Yankees beat Daytona, 4-1. Eric Ruth struck out four in six innings, allowing three hits, two walks and one run.


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Third baseman Abiatal Avelino and shortstop Jorge Mateo were each 2-for-4 and first baseman Connor Spencer went 1-for-3 with a walk as the RiverDogs beat Savannah, 4-2.