Fields has made three Grapefruit League appearances, allowing five baserunners and one run over two innings.

EDGE Analysis

Fields had a productive season with the Astros last season, posting a career-best 3.55 ERA (2.25 FIP), 1.14 WHIP and 11.9 K/9. He'll pitch in middle relief in 2016 with Ken Giles, Luke Gregerson, Pat Neshek, Will Harris and Tony Sipp handling the late-inning duties.