Pedro Martinez circle changeup grip

Pedro Martínez - Wikipedia

Aaron Sanchez is becoming the third Blue Jays pitcher to rely on a changeup. The other two were early adopters - The Athletic

Baseball - How to throw a changeup

Classic SI Photos of Pedro Martinez - Sports Illustrated

Baseball Pitching Grips

How to hold a circle changeup in baseball and is it a better pitch than a three finger changeup - Quora

A Culmination in Cooperstown: Pedro Martinez Enters the Hall of Fame

Changeup, Baseball Wiki

Rob Friedman on X: Pedro Martinez on his Changeup grip (ring finger & pinky position). / X