The Astros are looking at Zack Thornton as one of ten players for the first pick in the Rule 5 draft.

The Houston Astros pick first in the 2013 Rule 5 draft on Thursday, and according to Evan Drellich of the Houston Chronicle, they have narrowed their list to ten players for that first choice. One of those players, according to Drellich, is Pittsburgh Pirates right-hander Zack Thornton.

The Pirates acquired Thornton last December in a trade that sent Chris Resop to the Oakland Athletics. He started his season in Bradenton, but quickly moved up to Altoona after ten dominant appearances. He also spent time with Indianapolis, throwing 25.1 innings total at the level. Between the top three levels, Thornton combined for a 2.63 ERA in 75.1 innings, with a 10.8 K/9 and a 1.4 BB/9.

Thornt...

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