Probably if you go to page 234 line 1, subsection D, part xxix, there is some clause that allows them to deny payment.
And given he was in a risky occupation, and who knows how his insurance is handled, whether through his occupation, or the camp he owns, that would add in more complications.
https://www.celebritynetworth.com/richest-athletes/mma-net-worth/ben-askren-net-worth/
I am kinda surprised he is not worth more than he is (no idea how accurate this is).