LOS ANGELES—A former minor league pitcher from Orange County and his business partner pleaded guilty Monday to helping run an illegal major league sports betting operation. Ex-baseball player Wayne Nix, 45, of Newport Coast, and Edon Kagasoff, 44, of Lake Forest, both entered their pleas to a federal charge of conspiring to run an illegal gambling operation, according to the U.S. Attorney’s Office. Nix is scheduled to be sentenced July 20 and Kagasoff will be sentenced one week later at the downtown Los Angeles courthouse. Nix—who played for Oakland Athletics farm teams—also admitted to failing to report $1.4 million in income in 2017 and 2018, according to his plea agreement. Prosecutors said Nix began operating a bookmaking business about 20 years ago. Through his sports contacts, he attracted clients including current and former professional athletes, and he employed three former Major League Baseball players to assist with the business, federal …