Mike Ekstrom, who last pitched for the Tampa Bay Rays, has 45 and 1/3 innings of MLB experience, owning a career 5.36 ERA and 4.73 FIP. Though the 28-year-old righty has yet to start a major league game, he has often been used in the minors as a swing-man reliever who can pitch several innings or occasionally start. Ekstrom is also a major character in Dirk Hayhurst's best-selling book The Bullpen Gospels.
Zach Simons is a career minor league reliever who played at different levels for both the Detroit Tigers and Miami Marlins in 2011. In stints between High-A, Double-A and Triple-A, Simons put together a 5.46 ERA. From 2008 through 2010, Simons sported ERAs at or below 2.73 in the Tigers' and Rockies' minor league systems.
Wilkin Castillo is a catcher from Atlanta Braves minor league system. In 291 PAs with the Triple-A Gwinnett Braves, Castillo hit .262/.285/.366 and caught 43% of attempted base stealers. Castillo has also played over 100 minor league games at third base and 45 games each at second base and left field.
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