Listen up, sports fans! And pet fans! The Humane Society of Southern Arizona’s March Muttness tournament is BACK! Animal shelters from across the country are going head to head to save homeless pets; and you can help your team win! March Muttness is happening NOW! Donate to help The Humane Society of Southern Arizona and your other favorite shelters nationwide. Be a part of the excitement while saving lives and see this year’s brackets RIGHT NOW, at marchmuttness.org