Zebo started for Racing 92 in the 2020 European Rugby Champions Cup Final against English club Exeter Chiefs on 17 October, scoring two tries in their narrow 31–27 defeat and earning praise for his performance. Zebo also paid tribute to his former Munster coach Anthony Foley during the game, who passed away suddenly on 16 October 2016 whilst Munster were in Paris to play Racing 92 in a Champions Cup pool game. Zebo's final game for Racing 92 was their 19–6 defeat against Ronan O'Gara's La Rochelle in the semi-finals of the 2020–21 Top 14 season on 18 June 2021.