FIRST IMPRESSIONS: Frelick, E. Rodríguez, Assad, Arias, Peguero

First Impressions is a look at recent call-ups, a snapshot of their early progress so far in the majors. Initial Call-Ups reports on all of the players in today's column can be found in the News tab on their individual PlayerLink pages (linked from the player name below). Because many of these players have accumulated less than 150 PA or 50 IP, small sample size warnings apply to the analysis here.


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