Well this is whats being reported on several news outlets.
"The program also filed to see if Dru Smith, an Evansville transfer, would be eligible, but each case is looked at individually. A Missouri spokesperson said there has been no news about Dru’s waiver, yet."
http://www.columbiatribune.com/news/20181026/missouri-guard-mark-smith-ruled-eligible-by-ncaa