Coach Mattera is currently in his 8th season as a member of the coaching staff at Glenwood High School. Nino has served one year as the Head Freshman Coach, 6 years as the Head JV Coach, and he will begin his first season as the Varsity Assistant Coach in the spring of 2021. Coach Mattera is a Glenwood Graduate and was a member of the 2009 State Runner Up Team. After high school Nino went on to play at the collegiate level for Springfield College and later Benedictine University at Springfield where he was a left-handed relief pitcher. In addition to his varsity assistant coaching role, Nino is in his 7th year teaching at Glenwood Middle School and his 3rd year as the Head 7th Grade Baseball Coach at GMS.