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I've been to ncaa.org and look through the official rules changes. I can't find the evolution of the "legal block" or screen.
There was a time when the screener could not cause contact and had to be a given distance away from the defender. At some point, the current interpretation was allowed whereby the screener could get closer and take contact. There was a 1959 change in interpretation, and I thought there was a 1970 or 71 change as well, that Bobby Knight exploited. any help? |
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