Dennis Hegarty played baseball in the 1966 and 1967 Jr. College World Series for Miami-Dade Jr. College (AA 1968) under Coach Demi Mainieri and in the 1970 College World Series for Ohio University (BS 1970) under legendary Coach Bob Wren. In 1973 and 1974, while working on his Masters Degree at Marshall University, he serves as Coach Jack Cook's graduate assistant. The coaching relationship continued for 13 years at Jack Cook's Baseball Camp.
Coach Hegarty spent 26 seasons as Head Baseball coach at Northwest High School, with a career record of 404-190, 13 SOC II League titles, 16 Sectional titles, 6 District titles and 2 Regional wins; SOC Coach of the Year honors were received for 13 seasons. During his tenure at Northwest High School, Coach Hegarty coordinated Summer Baseball camps with Coach Dean Schuler for over 20 years, Coached District All-Star teams and worked at various high school and college camps. In 1990, he was an assistant coach with the Portsmouth Pioneers Frontier League and 1996 serves on the ground crew for the practice fields of the Olympic Baseball Teams in Atlanta, Ga.
The Verona, NJ native served as President of the OHSBCA in 1986, President of the SE District Association in 1984. He served on the State OHSBCA Board and as a clinician at several OHSBCA clinics. On October 30, 2004 Coach Hergarty was inducted into the Southeast District Chapter of the OHSBCA's Hall of Fame.
Dennis and his wife Sue have 2 sons and daughter-in-laws, DJ and Tanya of Pataskala, Derek and Hillarie of Columbus and 2 year old grandson, Tanner. Upon retirement in 2003, Dennis and Sue moved to Amelia Island, FL where he continues as an assistant coach with Fernandina Beach High School.