NFL catch rule: Changes approved to ease standard for completions
NFL Catching Rules: What is a Completed Catch? - SportsRec
College football fair catch rule, explained
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The NFL's catch rule is better than you think
What's a Catch? In the N.F.L., the Rule Seems Impossible to Grasp - The New York Times
The NFL's catch rule is better than you think
The NFL's catch rule is better than you think