Arsenal grad and Vanderbilt All-American Jack Leiter who has been dazzling in his spring training effort to make the Texas Rangers pitching staff. He has been steadily in the 98-100 mph range with exceptional secondary pitches. Coach Mazz and the whole Arsenal USA group is pulling for you!
The Hit Doctor® USA Baseball
HIT DOCTOR® USA
BLOG & UPDATES
Follow the Hit Doctor® USA for special Insights & Updates from one of the greatest minds in baseball.

Speed Training for Hitters
At every level of baseball today pitchers are throwing harder and harder. 95 is the new 90 and the...
Eliminate Outs as a Hitter
Our hitting system is different from any other program I am familiar with. Instead of forcing...
Use The Count as a Weapon
When a pitcher attacks a hitter, he has a lot of things going for him. He has as many as 4-5...
Joe Morgan Story
One person I wish I could have talked to when I was playing is the Cincinnati Reds' great Joe...
Thoughts on In-Season Maintenance for Pitchers
With the growth in popularity of travel ball and pitch counts, coaches and parents alike are...
PITCHING PHILOSOPHY GOALS FOR A SUCCESSFUL PITCHER #3
There are 3 things a pitcher has to do to throw a shutout and none of them require the ability to throw a certain velocity. When our pitchers work out to add velocity, we really want them to focus on pitching shutouts.
PITCHING PHILOSOPHY GOALS FOR A SUCCESSFUL PITCHER #2
There are 3 things a pitcher has to do to throw a shutout and none of them require the ability to throw a certain velocity. When our pitchers work out to add velocity, we really want them to focus on pitching shutouts.
PITCHING PHILOSOPHY GOALS FOR A SUCCESSFUL PITCHER #1
Our goal every game is to have our pitchers throw a shutout. You can’t lose if the other team can’t score. There are 3 things a pitcher has to do to throw a shutout and none of them require the ability to throw a certain velocity. When our pitchers work out to add velocity, we really want them to focus on pitching shutouts.
Coach What You Know
As a baseball player and coach for the past 70 years I have to shake my head when I hear about all the new “baseball coaching techniques.” Some great coaches have begun to question themselves after being criticized for not teaching a certain way! Well guess what? I am an old timer and proud of it and the game hasn’t changed at all in the past 70 years except the kids are bigger, stronger, faster and baseball is now a global game!
Connect
Follow Us on our Social Media Platforms to keep up on the latest news, updates, happenings, and baseball words of wisdom from the Hit Doctor® USA.