Advanced Sinker & Slider Training

A video course on how to grip and throw the nastiest Sinker & Slider

Program Features...

See what others are saying about Coach Madden...

As a former professional teammate of John, I frequently watch his videos and utilize his baseball knowledge to help my players throughout their season. He knows the game and I'd trust him as an instructor to any of my players.

Top notch baseball instructions from a former professional player and a great person. John has a gift when it comes to connecting with players of all ages and getting the most out of them.

Best coach ever! What a guy! John has a gift to get your player to the next level!

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Program Features...

See what others are saying about Coach Madden...

As a former professional teammate of John, I frequently watch his videos and utilize his baseball knowledge to help my players throughout their season. He knows the game and I'd trust him as an instructor to any of my players.

Top notch baseball instructions from a former professional player and a great person. John has a gift when it comes to connecting with players of all ages and getting the most out of them.

Best coach ever! What a guy! John has a gift to get your player to the next level!

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