'Heated Rivalry' star Hudson Williams teaches 'Tonight Show' host Jimmy Fallon hockey stretches. Todd Owyoung/NBC Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment The Tonight Show went all in on Heated Rivalry Wednesday night as breakout star Hudson Williams made his late night debut. The show's in-studio audience went wild when host Jimmy Fallon mentioned the 24-year-old actor.