To prove that size doesn’t matter, this adorable chihuahua named McFly loves to box. He’s always ready to throw down. After being born with a defect in his right leg, this cutie was surrendered to The Mia Foundation, so he really knows how to roll with the punches.

You can even watch him practice with his trainer! You’ll instantly fall in love with this scrappy little guy.

McFly is one tough cookie. Make sure he has all the care he’ll ever need by donating to The Mia Foundation today!