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.
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.