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.
On 19 October 1940 in Turin, Caligaris rejoined the field in a match featuring veteran Juventus players, including his former teammates Gianpiero Combi and Virginio Rosetta, but was compelled to withdraw after a few minutes due to an unexpected medical emergency.