Nearly seven years into the Wild West of widespread — and normalized — legalized sports betting, more evidence emerges of the potential problems arising from prop bets.

Four more people have been added to the steadily growing list of low-major college basketball players under investigation for ties to potential point shaving and betting on games, according to ESPN on Wednesday.

In August, Notre Dame suspended its men’s swimming program for at least a year after an investigation revealed several gambling violations. Former Temple basketball player Hysier Miller came under the microscope of federal authorities for allegedly point-shaving and fixing the outcome of Owls games.