Stein was on LeBatard today saying this was the case, because Riley was more focused on having cash for Durant than paying Whiteside out the wazoo, and wasn't waiting on Hassan to start his pitch.
"at this point, it looks like Hassan Whiteside is leaving." - @WindhorstESPN on the Lowe Post that just dropped. — Tim Cato (@tim_cato) June 30, 2016 also, @ZachLowe_NBA says the Heat are trying to scramble and meet with Whiteside today in New York. — Tim Cato (@tim_cato) June 30, 2016 Tim Cato is a Mavs reporter.
Makes sense. If you're Miami you can afford to let Hassan go in order to chase Durant and maybe Westbrook or somebody else next summer. Hell, even i want to be in Miami right now