Impact Basketball will host a pro league in mid-September with rosters entirely comprised of professional players. Nearly 70 NBA players are expected to participate Chauncey Billups, John Wall, Paul Pierce, Al Harrington, Corey Maggette, Kyle Lowry, Paul George, J.J. Hickson, Austin Daye, Jared Dudley, Dahntay Jones, Jermaine O’Neal, Craig Brackins, Marreese Speights, Eric Bledsoe, Matt Barnes and Manny Harris have been working at the two locations run by Joe Abunassar this summer. The league is expected to be at least two weeks long and feature two games per day. Via HoopsWorld (via Slam)