On 19 October 1940 in Turin, Caligaris returned to the field in a match between old Juventus stars, together with his old teammates Gianpiero Combi and Virginio Rosetta, but after a few minutes of play he was forced to leave the field: taken to hospital, he was struck down by an aneurysm.
Caligaris returned to the field on 19 October 1940 in Turin in a match against old Juventus teammates, including Gianpiero Combi and Virginio Rosetta, but his participation was cut short due to an acute medical condition.