Chief Jay Strongbow
In August 1971, Stasiak debuted in the northeastern United States-based World Wide Wrestling Federation (WWWF). In his debut match, he challenged WWWF Heavyweight Champion Pedro Morales in Madison Square Garden in New York City, New York. Over the following months, he faced opponents such as Gorilla Monsoon, Arnold Skaaland, Víctor Rivera, and Chief Jay Strongbow throughout the northeastern United States. In September 1971, he unsuccessfully challenged Bobo Brazil for the WWWF United States Heavyweight Championship. He went on to unsuccessfully challenge Morales on a number of further occasions. In February 1972, he formed a short-lived alliance with Jimmy Valiant. Valiant left the WWWF later that month.