Jared Raymond Lorenzen (February 14, 1981 – July 3, 2019) was an American football quarterback and administrator.
Following a successful college football career at Kentucky, he played in the National Football League (NFL) for four seasons with the New York Giants.
At 285 lb (129 kg), Lorenzen was one of the heaviest quarterbacks to play in the NFL.
He was nicknamed Hefty Lefty because of his weight and being left-handed.Lorenzen saw little playing time during his NFL career and primarily served as a backup, although he was part of the Giants' Super Bowl-winning team in 2008.
After a preseason stint with the Indianapolis Colts, Lorenzen played indoor football for the AF2, Ultimate Indoor Football League (UIFL), and Continental Indoor Football League (CIFL).
He also served as the commissioner of the UIFL in 2011.