MPO Lead Card competitors for Aug. 22's second round include Prodigy's Zach Melton, Nikko Locastro, Nate Krahn, and Prodigy's Cale Leiviska. The chain banging takes place at McNaughton Disc Golf Course in greater Peoria, IL. The 2015 Ledgestone Insurance Open is a PDGA National Tour event boasting the largest purse in disc golf history.