The Golden State Warriors are entering unprecedented waters right now. With a regular season record of 61-6 - which includes recording their 50th home win in a row - the NBA Champions look like they can break the Chicago Bulls' regular season record of 72-10 set back in 1995-96.
Although the San Francisco franchise is a well-oiled machine with a very deep, contributing bench, the Warriors have relied heavily on the formidable backcourt of Stephen Curry and Klay Thompson, as well as the triple-double threat of Draymond Green.
Keeping up such a high level of performance must surely take it's toll eventually, even on elite athletes like the batch that the Warriors possess.
Although Golden State are on a six-game winning streak following a shock loss to the L.A Lakers nearly two weeks ago, Warriors coach Steve Kerr has claimed he has started to see some tiredness creep into his star-studded troops.
As head of what's becoming one of the most dominant teams in NBA history, Kerr is obviously adept at noticing the subtle signs of lethargy in his roster. Being a five-time NBA Champion, Kerr knows all about how the pursuit of glory can wear one down.
"You can kind of see it in their eyes and their legs a little bit," said Kerr. "I think you just get a feel as a coach and as a staff. You get a read on guys. You see how energetic they are, or not. It's something that every team that makes a championship run goes through.
"It really is a grind and if you're lucky enough to do it two, three, four years running, it really wears you out. That's the challenge."
Kerr enjoyed the tutelage of Phil Jackson during some glorious years at the Chicago Bulls in the 90's and will surely be hoping he can pick up some of the legendary coaches traits for being able to repeat success.
Given the gluttony of records the Warriors and their players appear to be breaking right now, it's evident he's picked up a thing or two.
Adding to their fatigue, Kerr has also noted the differences between pursuing a title to sitting on the mountain top and defending one.
"Last year it was brand new. The excitement never really wore off. We got off to a quick start and we just kept rolling. This year it feels a little more tiresome. Just after a long year last year and doing it again this year, people coming after you every single night, yeah, it wears you down. But what a great position to be in. And we hope we're in this position next year too."
If the Warriors are indeed tired, you wouldn't know it.