The Tour de Suisse starts tomorrow but tonight I have some homework to do... Melanie, our team's sponsorship manager, sent me a bunch of World Champion jerseys

The Tour de Suisse starts tomorrow but tonight I have some homework to do... Melanie, our team's sponsorship manager, sent me a bunch of World Champion jerseys by Sportful and I have to sign them all! Can you guess how many I have? The person that replies with the correct answer, before the end of the stage tomorrow, will receive one! Watch the video, try to guess and good luck.