My point is that you picked an uncommon occurrence as evidence that sports are just as covert as wall street. I then rebutted your argument by pointing out that

My point is that you picked an uncommon occurrence as evidence that sports are just as covert as wall street. I then rebutted your argument by pointing out that injury reports are public. Do people violate the rules? Yes, just like people inside trade. The point is that you can’t factor in cheating if you are starting with the assumption of a fair system. If it was utterly corrupt it would fail. If everyone is playing by the rules of the SEC/NFL then predicting future performance is much easier in the latter for all the reasons I previously stated.