after two weeks, guerrero was hitting so well that there was clamor for him to become the regular third baseman, as incumbent juan uribe was getting off to a slow start. uribe, however, picked up his production, and guerrero continued to be used in a utility role, playing at third base and at left field and pinch hitting. despite not being a regular starter, guerrero was named rookie of the month for april 2015, his first full month in the major leagues. he hit .423 with five homers and 13 rbi in only 13 games.