How do 'torpedo bats' work? We asked baseball physicists to explain

Npr - Apr 2nd, 2025
Open on Npr

The introduction of the 'torpedo bat' in Major League Baseball has generated significant interest during the new season. Designed with a unique bulbous shape, these bats have been used notably by New York Yankees players to hit multiple home runs during opening weekend. The bats, adhering to MLB's regulations, were developed by Aaron Leanhardt, a former MIT physicist and current Miami Marlins analyst. The design aims to enhance performance by optimizing the weight distribution, making bats easier to swing while potentially increasing swing speed and control. Scientists like Alan Nathan and Lloyd Smith have expressed excitement over this innovation, despite not being involved in its creation.

The torpedo bat's implications extend beyond mere performance metrics. Although the altered design may not necessarily increase the power of hits, it could improve players' control and confidence, a vital aspect of baseball's psychological game. This has led to widespread interest, with players from at least eight MLB teams experimenting with the bats. As more manufacturers, such as Louisville Slugger and Victus, begin to produce these bats, the trend may expand further. Experts are eager to conduct tests to understand the bats' impact on the 'sweet spot' and overall performance, while pitchers and traditionalists observe how this innovation might challenge the norms of America's pastime.

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RATING

7.6
Fair Story
Consider it well-founded

The article provides a well-rounded overview of the introduction of 'torpedo bats' in Major League Baseball, supported by expert analysis and compliance with MLB regulations. It effectively engages readers with a timely and relevant topic, highlighting the intersection of innovation and tradition in sports. While the article is largely accurate and clear, it could benefit from more empirical data and firsthand accounts from players to strengthen its claims. The story is engaging and has the potential to spark discussions within the sports community, though its broader societal impact may be limited. Overall, the article succeeds in presenting a compelling narrative about technological advancements in baseball, offering insights into the potential benefits and challenges of such innovations.

RATING DETAILS

8
Accuracy

The article accurately describes the introduction of 'torpedo bats' in Major League Baseball (MLB) and discusses their compliance with MLB rules, which is supported by factual references to official regulations. The story correctly attributes the design of these bats to Aaron Leanhardt, a former MIT physicist. However, while the article mentions the Yankees' use of these bats and their record-setting performance, it does not provide specific evidence or statistics to directly correlate the bats' design with the home run success. Moreover, the scientific claims regarding the physics of the bats, while supported by expert opinions, lack empirical data from controlled studies to fully verify the performance benefits described. Overall, the article's claims are largely accurate but would benefit from more detailed empirical verification.

7
Balance

The article presents a balanced view by including perspectives from several experts in physics and engineering, such as Alan Nathan and Lloyd Smith, who provide insights into the potential benefits and limitations of the 'torpedo bats.' However, the story could improve by incorporating viewpoints from players or coaches who have firsthand experience using these bats, as well as input from MLB officials regarding their stance on the innovation. While the focus on scientific opinions provides depth, the omission of player perspectives may leave readers without a comprehensive understanding of the practical implications on the field.

8
Clarity

The article is well-structured and uses clear language to explain the concept of 'torpedo bats' and their potential impact on baseball performance. The narrative flows logically from the introduction of the bats to expert analysis and the implications for players and the game. However, the technical aspects of the bat design and physics could be simplified or supplemented with visual aids to aid comprehension for readers unfamiliar with baseball dynamics. Overall, the article maintains a neutral tone and effectively communicates complex ideas in an accessible manner.

8
Source quality

The article relies on credible sources, including university professors and experts in physics and engineering, which enhances its reliability. The inclusion of insights from Alan Nathan, Lloyd Smith, and Dan Russell, all of whom have substantial backgrounds in studying baseball dynamics, adds authority to the analysis. However, the article would benefit from additional primary sources, such as interviews with the designer Aaron Leanhardt or MLB players, to provide a more direct account of the bats' development and usage. The reliance on expert analysis is strong, but the diversity of sources could be expanded.

7
Transparency

The article is transparent in its presentation of expert opinions and clearly attributes statements to specific individuals, which aids in understanding the basis of the claims made. However, the methodology behind the experts' assessments of the 'torpedo bats' is not thoroughly explained, leaving readers without a full understanding of how these conclusions were reached. Additionally, while the article mentions the bats' compliance with MLB rules, it does not delve into the process of how these bats were approved, which could impact the impartiality of the narrative. Greater transparency in these areas would enhance the article's credibility.

Sources

  1. https://www.cbsnews.com/boston/news/yankees-torpedo-bat-pictures-mit-physicist/
  2. https://www.mlb.com/news/mlb-reaction-to-yankees-torpedo-bats
  3. https://www.mlb.com/news/torpedo-bats-pros-cons-in-mlb
  4. https://www.youtube.com/watch?v=F7iko25zPTw