Tom Williams’ journey to Head of Performance and Sport Science for Major League Soccer (MLS) powerhouse, the Los Angeles (LA) Galaxy, began at a crossroads: pursue traditional coaching or medical pathways. As a soccer “Swiss Army knife,” he embraced early sport science alongside coaching, building a career defined by collaboration and innovation. At the Galaxy, Williams is part of a web of support that uses rich data storytelling tailored to stakeholders and players, guiding decisions and infusing value in every encounter. This system drives their three key pillars: winning championships — including their recent record-breaking sixth MLS Cup — developing a robust academy pipeline, and leading innovation. In MLS’s “cultural melting pot,” Williams balances diverse backgrounds and short-term demands like fixture congestion while employing sustainable long-term strategies. With a unique full-time cognitive department and creative approaches like dodgeball warm-ups, he combines trust and ingenuity to elevate performance and presents a blueprint for those exploring emerging sport science. Reach out to Tom on LinkedIn: @tom-williams and X/Twitter: @Williams26Tom | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs Did you know MLS has a newly mandated Certified Performance and Sport Scientist® (CPSS®) role? Engage with NSCA’s Pro Sport Partner, the Professional Soccer Performance Association (PSPA), on social media to learn more: Instagram: @pspa_performance X/Twitter: @PSPA_perform LinkedIn: @professional-soccer-performance-association

The purpose of this article is to discuss caffeine use in tactical populations and provide recommendations for responsible consumption.

Field tests have become popular in applied exercise science and sport performance enhancement programs because of their simplicity and ability to generalize results. However, numerous confounding factors may influence the validity of test data from such evaluations.

This NSCA Coach article outlines the best practices for Achilles recovery in soccer. Visit NSCA online to read more on athletic performance and sports recovery.

Do you understand the youth athlete? In order to train youth athletes effectively, coaches must have an understanding of how to motivate youth athletes. This article will explain how to do just that, as well as how to use age-appropriate developmental cues for this population.

To address and combat neurocognitive decline in tactical personnel, this article will detail the mechanistic underpinnings of, and describe how to apply, attention regulation strategies to facilitate greater skill acquisition, retention, and performance transfer.

Joel Raether, Director of Sport Performance at Authentic Performance Center, uses this session to take a closer look at how all variables within a program must be addressed to account for cumulative fatigue, density of variables within, and how to manage stressors for the tactical athlete with high demands for physical, mental, physiological, and emotional stress.

In this session from the 2015 NSCA National Conference, Nelson Ayotte—the Strength and Conditioning Coach for the St. Louis Blues National Hockey League (NHL) team—explains how to design and implement a specific energy systems program at the elite level. Ayotte demonstrates the characteristics of each of the three energy systems and their trainability, and explores how to understand the energy demands of a sport by analysis of its characteristics, competition intensity, and duration of efforts and recovery periods.

Nutrition plays a crucial role in athletic performance. The purpose of this article is to discuss the landscape of nutrition in collegiate and professional football. It will address the following areas: 1) the current landscape, 2) current practices, 3) opportunities, and 4) challenges faced in collegiate and professional football.

This excerpt from NSCA’s Guide to Sport and Exercise Nutrition briefly analyzes some of the research behind creatine and its application to sport performance.