Mariano Rivera breaks down his 'miracle' cutter | Happy birthday, Mariano Rivera! 🎉 Baseball's all-time saves leader and only unanimous Hall of Famer in history turns 51 years old today. | By YES NetworkFacebook
![File:Mariano Rivera's cutter grip traced onto ball for Roy Halladay at Baseball Hall of Fame.jpg - Wikipedia File:Mariano Rivera's cutter grip traced onto ball for Roy Halladay at Baseball Hall of Fame.jpg - Wikipedia](https://upload.wikimedia.org/wikipedia/commons/1/11/Mariano_Rivera%27s_cutter_grip_traced_onto_ball_for_Roy_Halladay_at_Baseball_Hall_of_Fame.jpg)
File:Mariano Rivera's cutter grip traced onto ball for Roy Halladay at Baseball Hall of Fame.jpg - Wikipedia
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![How the Evolution of the Cutter Has Changed the Game of Baseball | News, Scores, Highlights, Stats, and Rumors | Bleacher Report How the Evolution of the Cutter Has Changed the Game of Baseball | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/images/photos/001/778/545/118980687_crop_north.jpg?1341437017&w=3072&h=2048)
How the Evolution of the Cutter Has Changed the Game of Baseball | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![The batter's view of a slider thrown by a right-handed pitcher: the... | Download Scientific Diagram The batter's view of a slider thrown by a right-handed pitcher: the... | Download Scientific Diagram](https://www.researchgate.net/publication/6702308/figure/fig5/AS:277850423873548@1443256111793/The-batters-view-of-a-slider-thrown-by-a-right-handed-pitcher-the-ball-is-coming-out-of.png)
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![DT Pitching on X: "As you can see I want my thumb to be in the middle of my two fingers underneath the baseball and not splitting the center mass. I also DT Pitching on X: "As you can see I want my thumb to be in the middle of my two fingers underneath the baseball and not splitting the center mass. I also](https://pbs.twimg.com/media/EuzGnbMVEA0TO_q.jpg:large)