John J. "Butch" Lenzini, Jr. (January 10, 1947 - November 15, 1996) was an American horse trainer in Thoroughbred flat racing best known for winning the second leg of the 1982 U.S. Triple Crown series.Nicknamed "Butch," he was born in Weymouth, Massachusetts but raised in Rhode Island. His father, John Sr., was a trainer who worked at racetracks on the East Coast of the United States. Following in his father's footsteps, Lenzini, Jr.