He once wore the red number of "most combative rider" in the tour.
Normally that's a consolation prize for some poor sap from the breakaway who got caught just before the line, not to a sprinter who is normally given an armchair ride by his team to the finish.
But on stage 13 of the 2013 Tour OPQS got it as a team. That was a really memorable stage. Crazy riding in crosswinds. In the end Cav beat Sagan fairly easily in the Sprint but it was a mega dramatic day.
https://www.cyclingnews.com/races/tour-de-france-2013/stage-13/results/