MLB Pitchers' Stuff+ Improvements: Who's Trending Up? (2026)

In the realm of baseball, where every pitch can make or break a game, the evolution of a pitcher's performance is a captivating narrative. The question on many fans' minds is: Have these pitchers truly turned a corner, or is it just a fleeting moment in the season? Let's delve into the stories of six pitchers who have seen their 'Stuff+' improve, and explore whether these changes will lead to sustained success.

Emmet Sheehan: The Velocity Rollercoaster
Sheehan's journey this year has been a wild ride, with his velocity chart resembling a rollercoaster. While his erratic starts might not be as impressive as the top-tier pitchers, his ability to perform better in higher-velocity starts is noteworthy. The key to his success lies in adding velocity to his four-seamer and refining his pitch mix against lefties. With a focus on consistency and a challenging lineup ahead, Sheehan's future performances will be crucial.

Aaron Nola: The Left-Handed Conundrum
Nola's story is one of intrigue and potential. Despite some improvements in 'Stuff+', his process stats remain largely unchanged. The real challenge lies in his struggles against left-handed batters. While his velocity is on the rise, his pitch selection against lefties needs improvement. The cutter's increased usage is a step in the right direction, but the overall problem against lefties remains. Fantasy baseball enthusiasts should approach Nola with caution, as his performance against lefties could be a significant factor in his success.

Noah Cameron: The Rising Lefty
Cameron's story is one of transformation. His curveball and slider have seen significant improvements, with added velocity and break. His four-seam velocity has held steady, providing a solid foundation. With a good changeup and multiple plus pitches, Cameron is a promising prospect. His high-3s ERA and good WHIP suggest a sustainable performance, despite some models predicting a higher ERA. Cameron's future performances will be crucial in determining his long-term success.

Jack Flaherty: The Wild Velocity Swings
Flaherty's velocity has been a rollercoaster, with some of the wildest swings in baseball. His recent improvements in slider velocity and whiff percentage are encouraging. However, the shaky foundation of his fastball velocity raises concerns. The hot hand for pitchers is real, but Flaherty's erratic performance might be a cause for worry. His upcoming schedule includes strong opponents, making his next few starts crucial in determining his future success.

Sean Burke: The Slider Refinement
Burke's story is one of refinement and consistency. His fastball has been a cornerstone, and the work on his secondaries, particularly the slider, has paid off. The added horizontal and vertical break has made his slider one of his best pitches. With above-average drop and a high whiff rate, Burke's slider is a force to be reckoned with. His command and ability to improve the shape of his secondaries make him a reliable every-start option in fantasy baseball.

Justin Wrobleski: The Split-Change Grip
Wrobleski's story is one of subtle improvements and strategic changes. His slider is two ticks harder, and his changeup has a new split-change grip, resulting in a drop of three inches. These changes have contributed to his success, with a better strikeout minus walk rate. His ability to dot the inside corner with the fastball and play the changeup off the slider is a testament to his strategic adjustments. The Dodgers will rely on him throughout the season, and his performance will be crucial in their success.

MLB Pitchers' Stuff+ Improvements: Who's Trending Up? (2026)

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