Signed by the Arizona Diamondbacks out of the Dominican Republic as a teenager, Pena spent the past seven seasons in Arizona’s organization, sporting a .266 career average, with 243 runs batted in and 295 runs scored.
Pena hit .267 as a 17-year-old in the Dominican Summer League in 2009 before spending the next two seasons in the Pioneer League with Missoula. He moved up to Class-A South Bend in 2012 and spent parts of three seasons there before advancing to High-A Visalia in 2014. He spent last season back at Visalia and in 95 games batted .275 with 21 doubles and three home runs.
The son of Brewers Dominican Summer League coach Jose Pena, Fidel has seen time all over the diamond, playing second base, shortstop, third base, catcher and all three outfield positions in the past. Most of his time has come at second base, where he has played 274 games over the past seven seasons.