I see that you all are playimg fast and loose with the term "sport"
Not Wrestlemania related but certainly worth mentioning......Joan Laurer AKA Chyna died last night at the age of 45.
For all the attention paid to NFL's long term health impacts, WWE gets off scott-free while being if not Moreso destructive
For what it's worth, WWE has mandatory retirement procedures in place for head trauma now. Arguably their most popular current star retired a few months ago in his 30s after WWE officials refused to clear him after a concussion, even when a few independent doctors gave him an OK.