Dan Henderson has had his fighter's license approved by the Nevada State Athletic Commission (NSAC) ahead of his UFC 173 clash with Daniel Cormier.

The 43 year old light heavyweight was one of the more prominent users of testosterone replacement therapy (TRT) users in the UFC, having an exemption for use since 2007.

With the rule changes last month that now outlaw the use of TRT, Henderson had to be re-approved for his fight license for UFC 173, despite not using the therapy full time since his clash with Rashad Evans in June 2013.

Fighters were prepared for the rule change and for his last fight against Mauricio 'Shogun' Rua at UFC Fight Night 38, he laid off the therapy. He won that fight with a third round knockout that's put him back into the title picture.

Dana White has said that the winner of Henderson-Cormier will get the first shot at the winner of the Jon Jones-Alexander Gustafsson rematch so the stakes are high.

Cormier has said previously that if he wins, he's going to wait for his title shot, which could see 'DC' out of action for nearly a year should he win. While Henderson has remained quiet on the subject but at 43 years old, it's likely he'd be drawn in to fight another contender.

He is currently ranked #6 in the stacked light heavyweight division, Cormier is ahead of him at #4 but both could be expected to leapfrog Glover Teixeira and Rashad Evans, who're #3 and #2 respectively, as they're currently sidelined with injury.

#9 light heavyweight Chael Sonnen also had to be approved for his license for his fight with Wanderlei Silva at UFC 175, which also takes place in Nevada.

Those two are currently opposing coaches on The Ultimate Fighter and have 'embarrassed' the UFC with their scrap on the show that caused their fight to be pushed back to UFC 175.

If that fight had taken place at UFC 173 as planned, then it's likely that Henderson-Cormier would've taken place at UFC 175 instead, giving Henderson more time for his fight camp.

He's just two months removed from his fight with Shogun, where he took a beating before landing that knockout punch. Cormier will be fresher as he put away Patrick Cummins in one minute 19 seconds back in February.

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