リーガ・デ・ベイスボル・プロフェシオナル・デ・ラ・レプブリカ・ドミニカーナ
In 2014, Dietrich served as the Marlins' starting second baseman. They optioned Dietrich to the New Orleans Zephyrs of the Class AAA Pacific Coast League in June due to his poor defense. After the season, Dietrich played winter baseball in the Dominican Professional Baseball League, but his season ended prematurely due to an ankle injury.