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:

Jut added to #UFC207 pic.twitter.com/p6VtHq47sT

— Josh Donaldson (@BringerOfRain20) December 10, 2016

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

Who did it better? @WonderboyMMA or me. 😂😂 pic.twitter.com/y1ytD2tauV

— Josh Donaldson (@BringerOfRain20) December 10, 2016

And with a few directions ...

View this post on Instagram

@wonderboymma and Brandon Gibson showing me a few techniques today.

A post shared by Josh Donaldson (@therealbor_20) on Dec 10, 2016 at 9:50am PST

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

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Combo life.

A post shared by Josh Donaldson (@therealbor_20) on Dec 10, 2016 at 11:40am PST

Just don't get hurt, Josh.