About Us


Paul Panaccione

Paul enters his second year with the Canyon Thunder and second year as an assistant coach at Grand Canyon University. A GCU Baseball alum, where he posted a team-best .376 batting average as a Sophomore, a mark that ranked 26th in Division I. He went on to be drafted by the Washington Nationals in the 10th round of the 2016 MLB Draft, playing two seasons professionally in the Nationals organization.


Isaiah Overman

Isaiah Overman enters his third season with the Canyon Thunder and second with Grand Canyon University Baseball, where he serves as a team manager. Isaiah has an unmatched passion for the game of baseball and serves both Canyon Thunder and GCU Baseball in a variety of roles, taking on challenges while continually growing within the game.


Matt Haggerty

Matt Haggerty enters his second year with the Canyon Thunder and second season as an assistant at Scottsdale Community College.  Was teammates with Paul Panaccione en route to GCU Baseball's first WAC Regular Season Championship, and currently works with hitters and outfielders at SCC. Matt brings extensive experience in the recruiting aspect of College Baseball and a wealth of knowledge offensively.


Marc Mumper

Marc Mumper enters his first season with the Canyon Thunder after finishing an illustrious career at GCU. Marc started over 100 games for the Lopes in his 4 year career,  winning two WAC Titles along the way. Marc brings leadership and a passion for teaching infielders to the Canyon Thunder, and has a very bright coaching career ahead of him.