Jarret DeHart

Jarret DeHart (born October 2, 1994) is an American professional baseball coach. He is one of the hitting coaches for the Seattle Mariners of Major League Baseball (MLB).

Playing career
Raised in Medford, New Jersey, DeHart played prep baseball at Shawnee High School. He attended Louisiana State University his freshman year of college, playing college baseball for the LSU Tigers. After his 2014 freshman year, he played collegiate summer baseball with the Hyannis Harbor Hawks of the Cape Cod Baseball League. He transferred to Howard College for his sophomore year of college. He then transferred to Tulane University for his final two years of college, playing for the Tulane Green Wave.

Coaching career
DeHart joined the Seattle Mariners organization and served as a coach for the AZL Mariners in 2018. In 2019, he served as a minor league hitting strategist for the organization.

On November 7, 2019, DeHart was named the assistant hitting coach for the Seattle Mariners.

On November 15, 2021, DeHart was promoted by the Mariners to hitting coach and director of hitting strategy. This promotion coincided with the departure of former hitting coach Tim Laker, who declined the club's offer to return.