Theo Hernandez revealed the story behind the celebration after his goal against Benevento

MILAN, ITALY - MAY 01: Theo Hernandez of A.C. Milan celebrates after scoring their side's second goal during the Serie A match between AC Milan and Benevento Calcio at Stadio Giuseppe Meazza on May 01, 2021 in Milan, Italy. Sporting stadiums around Italy remain under strict restrictions due to the Coronavirus Pandemic as Government social distancing laws prohibit fans inside venues resulting in games being played behind closed doors. (Photo by Marco Luzzani/Getty Images)