Eichenberg grew up in
Cleveland, Ohio and attended
Saint Ignatius High School. As a senior, Eichenberg was named first team All-Ohio after making 126 tackles with eight sacks, 23 tackles for loss, and five passes broken up. He initially committed to play college football at Boston College, but re-opened his recruitment during his senior year. Eichenberg ultimately signed to play at Ohio State over offers from Michigan, Michigan State, Iowa, and Kentucky. He was a
4-star recruit. ==College career==