The Brooklyn Nets signed Collins to a 10-day contract (I had no idea contracts could be so short!), making him the first openly gay athlete to play in a NBA game. Until tonight, no N.B.A. game had taken place with an openly gay player on the floor. The N.F.L., Major League Baseball and the N.H.L. — the continent's other three traditional major sports leagues — have never had a publicly gay participant. (Source: Informative NYT article)

Edit: Just realized Deadspin posted about this about 45min ago!