The Modern Mound by Isaac Groffman
Isaac GroffmanCutting-edge baseball analysis focused on pitching development, NCAA, and the Mets.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 21 | Founded | 2 years ago | Last Issue | 9 months ago |
| Active | |||||
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isaacgrofman.substack.comLatest Issues
Jonah Tong’s Changeup Transformation: How a Simple Seam Orientation Shift Created a Plus Pitch
Jonah Tong’s changeup has quietly become one of the most improved pitches in the Mets system. A longtime concern around him has been the lack of arsenal depth, but since his call-up to Triple-A, where we finally got Statcast data on him for...
The Top 25 Mets Pitching Prospects
Jonah Tong this Spring, Photo from New York Post, Diamond Images/Getty Images
A Quick Primer on My Grades
All pitcher grades are based on the traditional 20-80 scouting scale, where 50 represents an average major league skill. For eac...
Paul Blackburn Looks Like a Different Pitcher
In his return from injury, Paul Blackburn delivered a five-inning scoreless outing, but the real story was what he threw, not just how he performed.
This wasn’t the same Paul Blackburn we saw before the injury. What we saw Monday night in...
Paid Exclusive: Advanced Scouting Report — Mets vs. Dodgers (Round 2)
Game 1 – LAD vs.
Game 1 – LAD vs. Paul Blackburn
Paid Exclusive: Advanced Scouting Report — Mets vs. White Sox (Final 2 games of the series)
Game 1 – NYM vs.
Game 1 – NYM vs. Jonathan Cannon
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Authors
The writers behind this newsletter.
Writing about baseball analytics and pitching development | Baseball Operations Intern for the Brewster Whitecaps of the Cape Cod League
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