Mets' Sean Manaea working with Johan Santana on changeup grip, 'bulldog mentality'
Mets pitcher Sean Manaea was able to pick the brain of legendary Mets lefty Johan Santana, who is a guest instructor in Port St. Lucie.
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Mets pitcher Sean Manaea was able to pick the brain of legendary Mets lefty Johan Santana, who is a guest instructor in Port St. Lucie.
