I don't know if you guys listen to The BS Report or read Bill Simmons stuff, but he talks about different ways of using stats to make NBA teams better, like they do in baseball with Sabermetrics and Moneyball, but he had Daryl Morey, Houston Rockets GM, on his podcast, and they talked about the MIT conference Morey held, Mark Cuban and Kevin Pritchard (Trail Blazers GM) were there along with other basketball people, and the teams keep track of more stats than the NBA does, so I'm sure that the 'Cats have stats on Ray without buzzer beaters/shot clock beaters, without shots that should be fouls, adding in shots that shouldnt be fouls, etc. So they have a much better idea of how effective he really is than we do.
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