He has previously served as the assistant hitting coach for the Minnesota Twins of Major League Baseball (MLB).
He threw and batted right-handed and was listed at 5 feet 10 inches (1.78 m) tall and 160 pounds (73 kg) Hernández was named to manager Paul Molitor's 2015 coaching staff after serving for 14 seasons as a coach and instructor in the Twins' minor-league system, including managerial assignments with the Rookie-level Elizabethton Twins (2001) and Gulf Coast League Twins (2002–03).
At the time of his appointment, Hernández was also serving as bench coach with the Aragua Tigers of the Venezuelan Winter League.
[2] On October 2, 2024, Hernández and the Twins organization parted ways.
This biographical article relating to a Venezuelan baseball infielder is a stub.