Not exactly sure what happened to either of these players but doesn't look like they made it to campus. Diakite isn't listed on Oklahoma State's roster and Mading isn't listed on Texas Tech's roster. No official news on why either of them didn't make it to campus. Pretty strange.
Souleymane Diakite-6’8 Fr PF-NR/NR/NR in the class of 2017 high school rankings , http://www.espn.com/college-sports/basketball/recruiting/player/_/id/225760/souleymane-diakite
Daniel Mading-6’9 Fr PF-NR/NR/NR in the class of 2017 high school rankings , http://247sports.com/Player/Daniel-Mading-76116 , https://n.rivals.com/content/prospects/3217 , http://www.espn.com/college-sports/basketball/recruiting/player/_/id/207976/daniel-mading
Souleymane Diakite-6’8 Fr PF-NR/NR/NR in the class of 2017 high school rankings , http://www.espn.com/college-sports/basketball/recruiting/player/_/id/225760/souleymane-diakite
Daniel Mading-6’9 Fr PF-NR/NR/NR in the class of 2017 high school rankings , http://247sports.com/Player/Daniel-Mading-76116 , https://n.rivals.com/content/prospects/3217 , http://www.espn.com/college-sports/basketball/recruiting/player/_/id/207976/daniel-mading