Who are the sleepers on Nets summer league rosters?

Stephen R. Sylvanie-USA TODAY SportsThe Nets announced their summer league roster Monday, 19 players in all, not all of whom will play in both Orlando and Las Vegas. So who among them have best shots at making the big team's roster?

The two obvious choices are Cliff Alexander, the 6'9" power forward from Kansas who (somewhat) inexplicably went undrafted, and Ryan Boatright, the undersized (5'11") point guard out of UConn whose outside shooting could get him NBA minutes.

But there's another possibility as well, Khem Birch, the 6'10" shot blocker who played for the Heat's D-League team last year. Birch could be intriguing. He's a good defender and meets a need for an athletic back-up big man. A…