Paddy Holohan on sudden retirement: 'It feels like a death burial'

It's been a strange week for now former UFC flyweight Patrick Holohan. Paddy, as he's more commonly known, announced Monday he had been forced to immediately retire from mixed martial arts competition. This was no USADA issue or change of heart about fighting, generally. Instead, he had a rare blood clotting disorder than would prevent him from being medically cleared to fight.

For Holohan, the experience has been bizarre. His condition, known as Factor XIII deficiency, is something he's lived with his entire life. He really never gave it much thought. It's also extremely rare. It's just been a part of his life he's had to manage.

"When I was 8 years of age, I was diagnosed with it. It's an…