I understand that the procedure has not been tried on a hockey player. It is not experimental however. And it replaces the disk with an artificial one that functions similarly - full movement, etc. A fusion by its very nature limits mobility and also typically doesn't result in a pain free solution thru one's entire lifespan, especially for a 25 year old. Both procedures can be helpful but the replacement surgery has a higher ceiling - both short term and long term. After listening to the surgeons in the know discuss the options I came away convinced that the replacement surgery is the best option. Some may reach the opposite conclusion, but it clearly is NOT correct to say there is zero evidence that ADR is better.