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If it ain't broke, don't fix it.
It's such a basic rule of thumb.
Yet it was violated, breaking Justin Verlander, my favorite pitcher.
JV's the pitcher I tell pitchers to study and emulate, if not copy.
So what happened in 2020?
Why did he get hurt?
The problem is that, after coming off of a Cy Young season in 2019, JV was told by a pitching instructor named Ron Wolforth that he needed to change his pitching mechanics -- to become more consistent with the Conventional Wisdom about pitching mechanics -- if he was going to last.
I thought that was a TERRIBLE idea, and said as much in November 2019.
I immediately noticed those changes in March 2020.
Completely predictably, that led to arm problems.
And exactly as I predicted.
What Happened: Verlander
What happened to Justin Verlander?
An instructor named Ron Wolforth, who has the ear of Verlander, thought he did the same thing as Tyler Duffey.
Wolforth told JV he needed to change before he broke.
The problem is Wolforth's analysis was -- obvously -- flawed.
As a result, Wolforth moved Verlander from an ideal pattern to a problematic one. A problematic pattern that is entirely consistent with the Conventional Wisdom about pitching mechanics.
The same Conventional Wisdom that explains why modern pitchers throw harder but can't stay healthy.
As a direct result.
Verlander vs. Duffey
Justin Verlander's arm problems start with Ron Wolforth and his concept of (Pitching) Forearm Flyout, which Wolforth illustrates using Tyler Duffey of the Twins.
Wolforth a few years ago diagnosed Verlander with (Pitching) Forearm Flyout and prescribed the Connection Ball as the cure.
Justin Verlander Using a
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