Analyzing MLB Draft Prospects' Bat Speed
In baseball, no single statistic predicts a hitter's potential for generating power more effectively than bat speed. While high bat speed doesn't guarantee in-game power, and some players excel with lower speeds, the force with which a hitter swings the bat is the primary indicator of raw power. Since its introduction by Baseball Savant in 2023, bat speed has become a pivotal metric in player evaluation. mirroring the emphasis on pitch velocity, many organizations and players are now focusing on maximizing bat speed during the offseason, leading to significant shifts in player development across the sport.
A significant hurdle in utilizing bat speed is its exclusivity to MLB-tracked data. College baseball lacks a reliable bat speed metric, forcing evaluators to rely on a combination of batted ball data, statistical analysis, and visual assessment for raw power. However, this gap can be addressed through 'inferred bat speed,' a method that uses existing batted ball data to derive this crucial metric. Since a hitter's bat speed remains relatively consistent, inferred bat speed works backward from the ball's exit velocity, which is recorded in college baseball. Every batted ball results from a collision governed by physics, where exit velocity is largely determined by bat speed, pitch speed, and the quality of contact. By focusing on a hitter's hardest-struck balls, where contact quality is near-perfect, the impact of contact quality can be minimized, leaving bat speed and pitch speed as the primary variables. After accounting for pitch velocity, the remaining factor reveals the hitter's bat speed, providing a clear picture of their inferred bat speed over a career.
This analytical approach provides valuable insights into the 2026 draft class. While the 2024 class boasted elite power and contact abilities, the 2026 class appears more balanced, with fewer standout prospects combining exceptional power and contact. The depth of this class also raises concerns, as many players with high bat speed struggle with contact, and vice versa. This creates opportunities for prep players to be drafted earlier than usual, as the class is college-heavy at the top but lacks overall depth. Ultimately, the ability to combine strong inferred bat speed with high squared-up percentages and consistent contact rates will distinguish the most promising talents.
The emphasis on data-driven evaluation, particularly through inferred bat speed and squared-up percentage, is transforming how future baseball stars are identified. This rigorous analytical framework, while highlighting current limitations in some draft classes, promotes a more objective and fair assessment of talent, ensuring that players with genuine potential are recognized and given the opportunity to succeed at the highest levels of the sport.