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

Strength and conditioning professionals should consider mental skills training when creating a training program to maximize performance. Developing mental skills is a very long and challenging process; however, the benefits are worth it. Utilizing these skills will put the athlete in a position to succeed in sport, as well as life.

Two of the key people that an injured athlete will communicate with are the strength and conditioning coach and the athletic trainer. This article examines the roles of these two professionals in directing an athlete from an injury through the complete rehabilitation program and back to full participation in their sport.

This article is part of a continuing series of tactical strength and conditioning (TSAC) research reviews. It is designed to bring awareness to new research findings of relevance to tactical strength and conditioning communities.

Eric McMahon, Assistant MLB Strength and Conditioning Coach for the Texas Rangers Major League Baseball (MLB) team, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his path to becoming an assistant strength and conditioning coach in MLB. Topics under discussion include utilizing the NSCA in helping his career development, velocity-based training, and managing a wide range of player profiles in the MLB. Find Eric McMahon on Twitter: @EricMcMahonCSCS or @rangerstrength and on Instagram: @rangerstrength | Find Scott on Instagram: @coachcaulfield

This article explores the process and reasoning behind integrating an athletic trainer within a fire department to provide clinical care and injury prevention protocols.

Acclaimed Wisconsin-area high school strength and conditioning coach advises parents to ask these 10 important questions.

Vernon Griffith, co-owner of Virginia High Performance and high school strength and conditioning coach, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about opening Virginia High Performance, transitioning from the military to strength and conditioning, and impacting youth athletics.

This TSAC Report column examines the use of adaptogen and nootropic supplements to aid in favorable stress-related and cognitive outcomes. Visit NSCA online to discover more about nutrition research.

Matthew Nein, Head Sports Performance Coach for Salisbury University, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about receiving the NSCA Collegiate Strength Coach of the Year award, personal and program values, and mental toughness.