Meet The Team


Scott Casterline


Scott is considered one of the top Sports Agents in the country by, among others, the New York Times, Sports Illustrated, the Cincinnati Enquirer, the Washington Post, the San Francisco Chronicle, HBO's real Sports and called "The Best Agent in Texas" by Texas Men.

Mr. Casterline also serves as the CEO of Amshore Renewable Energy and is a highly respected business man. He has represented over 150 NFL players, represented active NFL players every year in the league since 1983, has negotiated over $1 billion in NFL Contracts, has represented 12 first round picks, 10 All-Pro picks, 2 NFL Hall of Fame players, represented picks in every round of the NFL Draft, and enjoys a solid relationship with every team in the NFL.


Matt Mainiero



Matt is a NFLPA certified contract advisor and in his seventh year with Team Sports Agency. While at Team Sports Matt has played a major role in $225 million in player contract negotiations and over $1million in endorsements and partnerships. Matt began his career in sports with the Frisco RoughRiders in sales and corporate partnerships. As a former 2x Conference Champion football player at Ouachita Baptist University, Matt uses his knowledge of the game and business savvy to execute his responsibilities with Team Sports Agency. 

At Team Sports Agency, Matt's primary responsibilities include, overseeing all aspects of player personnel and business operations. Matt completed is post-graduate studies at the top ranked DeVos Sports Business Management Program at the University of Central Florida, where he earned his MBA and Master of Sport Business Management.





Shaun oversees Player Development and mentors the defensive line in his third year with Team Sports Agency. Since starting with Team Sports, Shaun has been responsible for the development of multiple top draft picks including L.J. Collier, Deatrich Wise Jr., Daylon Mack, and Justin Madubuike. 

Shaun has a unique approach to the game as he was an undrafted free agent in 2003 out of South Carolina. After 10 years in the NFL playing for the Bengals, Browns, Chiefs, Titans, and others, Shaun founded the 91 Ways Foundation promoting childhood literacy.

At Team Sports Agency, Shaun uses his experience in the NFL and business saavy to provide trusted guidance in all aspects of our clients life on and off the field. Shaun is a graduate of the University of South Carolina and is pursuing his currently pursuing his Master's degree. 





Charcandrick serves as the Running Backs coach & mentors many Team Sports clients. The former Kansas City Chiefs star played 5 years for the organization entering the league as an undrafted free agent in 2014 out of Division II Abilene Christian. Charcandrick enters his first year with Team Sports in this role after mentoring many clients during his career. In addition to his successful on-field career, Charcandrick also founded the "No Dream Is Too Big Foundation" in his home town of Cullen, LA. Charcandrick battled through Juvenile Rheumatoid Arthritis and was told as a child that he may never play sports again. 

At Team Sports Agency, Charcandrick uses his unique life experience and successful NFL career to mentor and guide clients through their careers.




Jamaal serves as the Director of Player Engagement at Team Sports Agency. Prior to joining Team Sports, Jamaal served in Player Engagement roles with the Kansas City Chiefs & Tampa Bay Buccaneers and most recently served as the Oregon State Athletics Student-Athlete Development Coordinator. Jamaal enters his first year with Team Sports in this role after co-founding the Albert Wilson Foundation and serving as the Executive Director. Jamaal's primary responsibilities are in community engagement, athlete branding & development, youth camps, contract negotiation, and recruiting. In addition to his successful career, the Locust Grove, GA native was a defensive back for Georgia State from 2010-2014.

Jamaal, graduated from Georgia State University with a degree in Exercise Science and continued his post graduate education at the University of Central Florida where he earned his MBA & Master's in Sport Business in the renowned DeVos Sport Business Management Program. Jamaal brings a unique skill set as a former player and experience at the NFL and NCAA level.