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

This article discusses the background, statistics, mechanisms, timing, dosing, influences, and practical applications for the use of caffeine as an ergogenic aid.

Do you know what is in your client’s pre-workout drinks? This article discusses the most common individual ingredients typically found within pre-workouts and describes “the good, the bad, and the ugly” associated with its usage.

In this session from the NSCA’s 2017 National Conference, Joe Eisenmann explains how to identify the components of an integrated holistic youth sports performance program and takes a look at the unique challenges of training the youth athlete.

Joe Siara, Manager of Peak Performance Programs for the New York Yankees Major League Baseball (MLB) team, joins NSCA Coaching and Sport Science Program Manager, Eric McMahon, to discuss the path from Minor League Baseball Strength and Conditioning Coach to sport scientist. The discussion includes a recap of the 2021 Professional Baseball Strength and Conditioning Coaches Society (PBSCCS) Baseball Sport Science Virtual Clinic, an explanation of the Certified Performance and Sport Scientist™ (CPSS™) exam development process, and practical applications of technology across a variety of performance settings. Find Joe via Email: jsiara@yankees.com | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Monitoring training load is essential for determining if athletes are adapting positively or negatively to their training program. This article goes over the various measurement metrics and includes recommendations to monitor training load for football athletes.

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This article discusses the influence of lower-body power on soccer performance in collegiate female soccer players. It also covers testing for muscular power qualities, different training modalities to use, and sample training programs as examples.

In this article, personal trainers and strength and conditioning coaches will learn how Football Club of Mumbaikars has worked to maintain and even improved the fitness profile of its athletes using this online training protocol, and provide a template for how to apply this protocol to the general population.

The purpose of this article is to provide the strength and conditioning coach with a template on how to integrate the clean and power clean into athletic training programs.