Chin Coleman an assistant at Illinois was an assistant at Bradley and the reason Cunningham went there despite being a top 100 guy with Power 5. He was a former head coach of the Mac Irvin Fire AAU team that Josh played on.
http://www.pjstar.com/article/20150401/SPORTS/150409934
Illinois was a place JC considered before he decided on Dayton and they've got a definite need for a big guy next year.