Jack Zwerner won an event at which Las Vegas-based set of tournaments?
Jack Zwerner:  He is also known for winning the 2006 World Series of Poker (WSOP) Event 8: Omaha Hi-Lo (8 or better). World Series of Poker: The World Series of Poker (WSOP) is a series of poker tournaments held annually in Las Vegas and, since 2005, sponsored by Caesars Entertainment Corporation (known as Harrah's Entertainment until 2010).
World Series of Poker