John Pierson named #Marlins Interim Hitting Coach. He will be join the team tomorrow. @fishatbat John Pierson named #Marlins Interim Hitting Coach. He will be join the team tomorrow. 12 years ago aldo1023 RETWEETED 12 years ago RT @fishatbat: John Pierson named #Marlins Interim Hitting Coach. He will be join the team tomorrow.