July 31, 2015: RHP Zach Davies to Brewers for OF Gerardo Parra

Grade: F

It may not have been as high-profile a blunder as the Arrieta trade, but this deal was a failure all the same. Desperate to fix the Orioles’ season-long black hole in right field, Duquette acquired Parra, who was in the midst of a career year with a .328 average and .886 OPS for Milwaukee. Parra’s high BABIP numbers indicated that he was bound to fall back to earth, and in Baltimore, he crash-landed. Parra hit just .237 with a .625 OPS in 55 games for the Orioles and also struggled in the field. Instead of solving the Orioles’ right field woes, Parra compounded them.

In the swap, the Orioles gave up a pitching prospect in Davies, who has since gone 26-13 with a 4.12 ERA in 55 starts for the Brewers. Granted, the spindly Davies might not have had the same success if he were pitching in the AL East rather than the NL Central, but he almost certainly would’ve improved the Orioles’ current rotation. He wasn’t worth trading for a player who made the club worse.

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