The Canadian and his longtime partner captured the $50,000 FarmVet Grand Prix at HITS Ocala in a seven-horse jump-off.
Found 108 Results from HITS
The marquee event of the HITS Saugerties series saw four advance to the jump-off but just one double clear over Mark McGowan's track.
After more than four decades at the helm, Struzzieri will be cycling across the US to raise money for charity.
The Sunday feature at HITS-on-the-Hudson VII in Saugerties, NY, saw the Irishman pilot Centriko Volo to victory.
The Irish rider took the biggest show jumping purse in the US aboard Ariel Grange's Legacy to conclude the 2022 HITS Ocala circuit.
The 25-year-old enjoyed her biggest career win to date with Entano, while Maria Costa snagged second place over Werner Deeg's course.
Cassandra Kahle continued her dominance of the hunter derby arena in the US with a pair of wins, and also a 3rd place in the Jumper Classic.
A number of Canadians had top placings at both US venues, including Cassandra Kahle, Jaclyn Duff and Stephanie Gallucci.
The show at HITS-on-the-Hudson in New York included a $50,000 and $25,000 Grand Prix, and $5,000 Hunter Derby won by Canada's Cassandra Kahle.
The German rider's Sunday victory at HITS Ocala marked his fourth HITS Million title; top Canadian was Vanessa Mannix and Catinka 25, 10th.