Bergen Catholic rising senior RHP Jack Pintarelli joined us last summer to get a head start on his training for spring / summer season of this year. At the time, Jack was looking to add velocity to his heater, improve his arsenal, and add lean muscle mass headed into the spring season. He continued with his training during the fall and the entire off-season. By early March (10 months), Jack had added 27 lbs. of lean muscle mass and 5-6 mph on his fastball, T 86 mph.
How did he do it?
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