Watch: Martinez Talks 'Assistant Hitting Coach' Teoscar Hernández

Blue Jays hitting coach Guillermo Martinez discusses the development and personality of Teoscar Hernández

It was hard for Toronto hitting coach Guillermo Martinez to contain his smile when discussing Blue Jays outfielder Teoscar Hernández.

Martinez talked about the progress the Blue Jays Silver Slugger has made over the last three years, and the impact Hernández's personality has on the team.

"He's my assistant hitting coach," Martinez said. "I mess around with him a lot."

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