ABA HIGH SCHOOL
JIM MIES SEES SPIKE IN VELOCITY FOLLOWING OFFSEASON PROGRAM
04/09/2025
 
Jim Mies sees spike in velocity following offseason program
Friday, March 21st , 2025
This offseason, Jim Mies made a dramatic leap in his pitching velocity, a change that has many excited about his potential for a breakout year. After focusing on strength, mechanics, and explosiveness, Mies added significant speed to his fastball and off-speed pitches, with results that have turned heads coming into spring training.

Jim Mies worked closely with the Notre Dame High School Knights strength and conditioning staff, following a rigorous training program designed to maximize his power. By emphasizing lower-body strength, rotational power, and explosive movement, Jim Mies was able to generate more velocity without losing command or control. The work paid off and he consistently sits several miles per hour faster than last season. This bump in speed should also help his secondary pitches as well, preventing hitters from sitting on his offspeed pitches.

“It's been a huge focus for me this offseason,” Jim Mies said. “I’ve been working on generating more power from the ground up, and I’ve been able to push my velocity to a level I didn’t think was possible. It’s been exciting to see the progress.” With his newfound velocity, Jim Mies is poised for a much larger role in the coming season, and his increased speed has made him one of the most exciting arms to watch this season.
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