Slovakia's Peter Sagan celebrates as he crosses the finish line to win the tenth stage of the Giro d'Italia cycling race from Lanciano to Tortoreto, Italy, Tuesday, Oct. 13, 2020. (Gian Mattia D'Alberto/LaPresse via AP)

Slovakia's Peter Sagan competes on his way to win the tenth stage of the Giro d'Italia cycling race from Lanciano to Tortoreto, Italy, Tuesday, Oct. 13, 2020. (Fabio Ferrari/LaPresse via AP)

Slovakia's Peter Sagan looks up prior to the tenth stage of the Giro d'Italia cycling race from Lanciano to Tortoreto, Italy, Tuesday, Oct. 13, 2020. The Giro d’Italia cycling race has been thrown into chaos with two full teams and two elite riders withdrawing from the race following a series of positive tests for the coronavirus. (Massimo Paolone/LaPresse via AP)

Steven Kruijswijk adjusts his face mask prior to the eight stage of the Giro d'Italian cycling race from San Salvo to Roccaraso, Sunday Oct. 11, 2020. All riders and team staff members were tested for COVID-19 over the last 48 hours coinciding with Monday’s rest day with a total of 571 tests performed. Team Jumbo-Visma announced that Steven Kruijswijk came back positive and was withdrawn. (Marco Alpozzi/LaPresse via AP)