Fernando Rodney celebrated his return to the A's while wearing a throwback Joker costume

On Wednesday, the A's made their first move of the offseason when they picked up the 2019 option on reliever Fernando Rodney, ensuring that the veteran right-hander will indeed shoot more imaginary arrows next season. 
As the news came through on Halloween, what do you suppose Rodney was doing? No, he wasn't hanging out in the middle of a snowstorm -- but he was wearing a vintage Joker costume inspired by the original 1960s TV show:

Happy to be returning to @athletics for another great run!!
Happy Halloween #laflecha??? pic.twitter.com/ehkNY5QCuB

— Fernando Rodney (@F_Rodney56) November 1, 2018

Strong effort, Fernando.

Add this one to the list of inspired MLB player Halloween costumes this year ...