Earlier in the week, the Giants welcomed Hayden from the Garden of Dreams Foundation to practice.
As MSG's Jill Martin showed with side-to-side clips, Hayden taught Pierre-Paul a dance, and JPP promised to try it out in Denver.
"You know what? If I get a sack, which I am gonna get a sack, I'm gonna do your dance," Pierre-Paul said.
He honored that vow after taking down Broncos quarterback Trevor Siemian.
Per Martin, Hayden lost a toe because of cancer. Pierre-Paul, who damaged his hand during a fireworks incident, used his accident to connect with the young fan.