Madison Square Garden hosted a doubleheader on Tuesday between Michigan State and Duke, followed by Kentucky and Kansas.
According to ESPN's Chad Ford, the NBA general managers in attendance were raving about Kentucky's Anthony Davis and Michael Gidd-Gilchrist, along with Thomas Robinson of Kansas.
The GMs who spoke with Austin Rivers were reportedly less enthusiastic about Austin Rivers.
According to Jonathan Givony of Draft Express, NBA GMs Neil Olshey, Sam Presti, Bryan Colangelo, Kevin O'Connor, Billy King, Mitch Kupchak, John Hammond, Chris Grant were in attendance. John Paxson, Masai Ujiri, Tim Connelly, Tommy Sheppard, Ed Stefanski, Travis Schlenk, Kevin Pritchard, Doc Rivers and Avery Johnson also were at MSG.