While making "Rudy," Vince Vaughn met Jon Favreau ... "It was this small movie that we were hell-bent to make," Vaughn told Cigar Aficionado. "It cost $250,000 and took 21 days." ...

and, of course ... become friends on "Rudy," and I started taking him around to underground swing scenes and swing bands that I like. So he wrote an overexaggerated comedic movie based on him ...