Frank Sumpter has experienced a tremendous amount of joy and happiness getting his gelding Wild On Ice qualified to run in this year’s Kentucky Derby.But all that excitement turned to heartbreak and devastating sadness Thursday morning.Wild On Ice was euthanized after fracturing a bone in his left rear hock while training at Churchill Downs for next weekend’s big race.Although devastated by the incident that shattered so many Derby dreams, Sumpter said Thursday afternoon he understands such things happen.“We know there’s ups and downs associated with any sport,” Sumpter told the Press-Reporter.Wild On Ice, who was born and raised in Dawson ...