Along with the Italian rider they fell thirty athletes including teammates Jakob Fuglsang, Michele Scarponi and Tanel Kangert.
To get the worst was Agnoli who, after reaching the finish line, was accompanied to make radiological examinations that found a hairline fracture of the wrist and a bone infringement of the right elbow.
The Team doctor Emilio Magni announced that the situation will be evaluated again tomorrow morning and will be decided whether Agnoli can leave for the twelfth stage.
Today's stage was won by Italian Diego Ulissi, while the pink jersey is always the Luxembourg Bob Jungels. Nibali is still fifth in the standings with a 1 minute and 9 "gap from the leader while Fuglsang, because of the fall, has lost some places in the standings and is now twelfth in 3 minutes and 39".
Tomorrow, the twelfth stage from Noale to Bibione sea with an ideal finish for the sprinters.