Josh Donaldson is moonlighting as an MMA fighter in the offseason

Josh Donaldson is not one to slow down. After spending the 2016 season slugging 37 home runs, leading the Blue Jays to the ALCS for the second consecutive year and collecting two giant bags full of hats rained down upon him in tribute, Donaldson has decided to relax in the offseason by … becoming an MMA fighter, apparently:

Donaldson spent Saturday -- fresh with a new look -- working out with UFC's Stephen "Wonderboy" Thompson, learning all of Thompson's moves:

And with a few directions ...

... it doesn't take much imagination to see Donaldson in the Octagon:

Just don't get hurt, Josh.