Seeing Europe as a newlywed is a pretty good gig while getting others to pony up in a big way.
That said Europe will be lukewarm imo, Black had a hell of year, unfortunately, there are many players with same skill set and better in certain situations already there.
Cannot see an avenue that would put him there for any substantial $$$ offer, which puts him back with us one more year.
If you were a contributor at a P5 conference there is a spot on a professional roster for you. Here is a quick list of former UI players on non-NBA professional basketball rosters for the current season.
2017-18 Season
Maverick Morgan - GTK Gliwice (Poland)
Malcom Hill - Telekom Baskets Bonn (Germany)
Jaylon Tate - Niagra River Lions (Canada)
Ahmad Starks - KW Titans (Canada)
Nnanna Egwu - Taipans (Australia)
Tracy Abrams - APOP Paphou (Cyprus)
DJ Richardson - Trikalla (Greece)
Demetri Mccamey - F Kontatto BO (Italy)
Mike Davis - Ankara DSI (Greece)
Dominique Keller - Olimpia (Uruguay)
Alex Legion - Dinamica MNV (Italy)
Trent Meacham - Boulazac (France)
Rodney Alexander - Elitzur K-A (Israel)
Brian Carlwell - Perry Lakes Hawks (Australia)
Jamar Smith - Unics (Russsia)
James Augustine - Unicaja (Spain)
Last season (2016-17) Cosby (UK), Thorne (Slovenia), Bertrand (Germany), Stan Simpson (Uruguay) were also on rosters.
Good Luck Leron.