Few prospects in the Mariners’ system entered 2016 with more question marks than D.J. Peterson. The former first round pick struggled mightily last season, slashing .223/.288/.345 across 96 games with the Jackson Generals and Tacoma Rainiers. However, the adjustments Peterson made in the offseason have revitalized his status as a top prospect.
The 24-year-old is currently raking with the Tacoma Rainiers of the Pacific Coast League. Since being promoted to the Rainiers, Peterson is hitting .339 with 5 home runs and 19 RBI through 15 games. He has also posted a .400 on base percentage and slugged .