Seacoast Mavericks

Front Office

Dave Hoyt - Principal


Dave Hoyt is the Principal and General Manager of the Seacoast Mavericks collegiate team and owner of the USA Mavericks Baseball Club, as well as proprietor of USA Training Center.  Dave played professional ball for the St. Louis Cardinals and Minnesota Twins organizations after a stellar career at the University of New Haven and Yarmouth Dennis Red Sox of the Cape Cod League.

With a vision for providing high quality baseball instruction in a state-of-the-art environment, Dave founded the USA Mavericks Club and USA Training Center nearly ten years ago, forever changing the landscape of baseball in the greater Seacoast area.  Now home to over 120 top athletes and 16 professional instructors, the USA Mavericks Club hosts six age divisions, U12 through U18, and is considered the premiere youth baseball program in New Hampshire and Southern Maine.  The Seacoast Mavericks represent Dave’s franchise in the Futures Collegiate Baseball Leagueof New England(FCBL), a wood bat collegiate league that provides elite collegiate athletes the opportunity to compete in a Minor League format each summer.

Over the last four years, Dave’s extensive networking experience has had a direct result in Mavericks high school players being awarded a combined $5.3 million in academic and athletic scholarship money at colleges and universities all over the country.

Dave Hoyt was drafted into the MLB in 1981 as an 18th round pick by the Minnesota Twins.  He spent the next seven years playing professional ball for the Twins and the St. Louis Cardinals before finishing his career in Italy with the San Marino Hawks.  Dave has since been a coach, instructor, associate scout for the St. Louis Cardinals and mentor to countless middle, high school, and college athletes.

Dave lives in Rochester, NH with his wife Diane


Jarrett Daniel - General Manager

Bio coming soon!

Mark Constance

Mark Constance is a part of the Maverick program in conjunction with his long time career in the movie business.  Constance is a native of the New Hampshire seacoast and moved to Los Angeles in 1989 to pursue a career in the entertainment business.  Constance and wife Bethany returned to his New Hampshire roots to raise their family in Brentwood.  He has two children, daughter Eliya-Quaye and son Caleb. 

Growing up, Mark had an unquenchable love of sports and film.  HIs organizational skills have been lauded in the Hollywood film community and he brings those traits to the Maverick program.

Constance is the General Manager and Director of Operations for the USA Mavericks Baseball Club program where he oversees 15 teams with 180 players ranging from 10U to High School.  Constance is on the Board of Directors of the New England Elite Baseball League.

Jessica Gray - Director of Player Personnel


Jessica Gray is a recent college graduate from Plymouth State University.  She graduated in 2013 with a BS in Marketing.  Last season, Jessica held the role of Host Family Coordinator and Administrative Manager.  This season she will be Director of Player Personnel.  In this role she will recruit host families, place players with host families, assist players with their necessary paperwork, organize community outreach programs that send players to community events, supervise all interns and coordinate bat boys and bat girls for all home games at Leary Field. 

Contact Jessica at

Sean Evans



Sean is a native of Buffalo, NY and played his high school baseball for Bishop Timon before moving on to play at Jamestown (NY) Community College and then the University of South Carolina Game Cocks.  Sean was drafted in the1991 Major League Baseball Amateur draft by the Pittsburg Pirates in the 23rd round.

Currently, Sean is a Portsmouth (NH) police officer as well as serving as an evaluator of potential players for the Seacoast Mavericks. 

Contact Sean at -

Nick Leishear - Assistant General Manager

Bio coming soon!

Do you love baseball?  Are you interested in helping to shape a young adult's career, potentially a professional baseball career?  If you answered yes, to these questions, you are the perfect candidate for a host family!  The Mavericks are looking for host families in Portsmouth, and surrounding communities, for the 2015 season.  There will be approximately 20 players coming to the Seacoast that need host families for the 2015 summer.

If you are interested, please click here.