Quote Originally Posted by 1998braves64 View Post
That was the first year of any hand signal was going to be a fair catch signal.

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It's not a fair catch signal. It's an invalid fair catch signal. It's been a rule for much longer than that, but it may have been an interpretation clarification. The invalid signal was usually a short arm or just raising but not waving. But players started doing the get away signal more often and it wasn't consistently called the same.

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