 As a senior, Rensberger averaged 9.3 points per game (ppg) after posting 6.7 ppg the year before, and he was named a consensus Second Team All-American at the end of his final season.During the middle of his senior year, Fighting Irish head coach George Keogan suffered a heart attack and died.Rensberger and his teammates served as the pallbearers for Keogan's funeral on the afternoon of February 20, 1943, before playing a game that same night.