Winners of Super Bowl III (and no other Super Bowls since then)

JETS

"Here’s a helpful hint for your crossword clue: "This New York team made a historic guarantee before their big win in 1969." This hint: - Narrows the focus to a New York team (avoiding other NFL teams). - References the famous "guarantee" by Joe Namath, a key part of the Jets' Super Bowl III lore. - Keeps the timeframe (1969) to guide solvers without outright stating the answer."

The clue "Winners of Super Bowl III (and no other Super Bowls since then)" leads to the answer "JETS" through the following reasoning: 1. Super Bowl III Reference: The New York Jets won Super Bowl III in 1969, famously defeating the heavily favored Baltimore Colts.