Alonzo Walter Highsmith, Sr. (born February 26, 1965) is an American football executive, former fullback, and former boxer. He is a General Manager for the University of Miami. He served as the vice president of player personnel for the Cleveland Browns from 2018 to 2019. Before that, Highsmith served as a senior personnel executive for the Green Bay Packers for six seasons from 2012 to 2017. He also played in the NFL for the Houston Oilers, Dallas Cowboys, and Tampa Bay Buccaneers. He played college football at the University of Miami.