Halloween is a time where sports stars let their hair down and relax while simultaneously freaking out their social media followers.
But who took Halloween to another level? ESPN Looks at the best costumes from the world's biggest sporting stars.
Neymar
Fresh from PSG's 5-0 annihilation of Anderlecht in the Champions League in Paris on Halloween night, the world's most expensive player celebrated in style.
Neymar teased us a few days ago by dying his hair green and recreating Frank Ocean's album cover for 'Blonde', but for the big day, the Brazilian star kept his green hair and dressed up as the Joker!
Perhaps a little too clichΓ©, but he certainly pulls it off.
Barbarians
Happy Halloween π π»
β Barbarian FC (@Barbarian_FC) October 31, 2017
The world's most surreal ever team meeting π#rugby #rugbyunited π pic.twitter.com/4pS5E633pY
There is always a sense of fun when the Barbarians get together -- even though their showdown with the All Blacks at Twickenham this weekend is looming large. Ahead of the game, Baa-Baas' coach Robbie Deans held a team meeting with a difference featuring the likes of Captain America, Batman and, of course, the Grim Reaper.
Russell Wilson
The young, charming, darker skinned, gum chewing @PeteCarroll @SeattleChildren #HappyHalloween #TraceMe pic.twitter.com/q1w3CO54LA
β Russell Wilson (@DangeRussWilson) October 31, 2017
Seattle Seahawks' quarterback Russell Wilson wins Halloween for the funniest costume, dressing up at coach Pete Carroll. Wilson, who was a part of the Seahawks' Super Bowl XLVIII winning team in 2014, even nailed Carroll's trademark gum chewing as he visited Seattle Children's Hospital.
Floyd Mayweather Jr
Mayweather was not shy in flaunting not just one, but four different Halloween outfits as he celebrated in Las Vegas. First, he dressed up in an 80s inspired look, then he became Sylvester the Cat followed by a gladiator and before finally becoming the Riddler.
We'll let you decide which outfit Money wore best.
Patrice Evra
Halloween outfits do not come much more gory than ex-Manchester United defender Patrice Evra's effort. He freaked his Instagram followers out by decorating himself in fake blood and licking a toy machete while surrounded with pumpkins.
Spooky indeed!