MRSA was the initiator for causing his death.
Methicillin-resistant Staphylococcus aureus Bacteria. See
https://www.mayoclinic.org/diseases-...s/syc-20375336 for details.
Not a doctor but it looks to me like it's one of those infections where the early symptoms can be taken as a "no big deal," like many other infections can be, and progress to "near to death" far more quickly than the infected person expects.
For transmission they list, among others, skin to skin contact as happens for wrestlers, so it's not a disease limited to the already unhealthy, but it can certainly take advantage.