Algeria is home to North Africa's biggest soccer derby; this all-consuming rivalry is rooted not in hate, but the same love for the game that forged their country through revolution.

The real Mecca of boxing isn't Vegas. It's a slum village on the coast of Ghana.

At the Louisiana rivalry known as "The Black Superbowl", gametime is at the half.

Across a history of oppression, through years of federal neglect and in the midst of a cultural awakening, one sport has endured on the Pine Ridge Indian Reservation: basketball.

The story of teammate-turned-enemy in the world of E-sports.

As farms dry up in Montana and people disappear, two schools that were once bitter rivals must join forces to give hope to two fading towns.

Biggest rivalry in Australian football is marked by broken jaws, foul mouths and phallic tattoos.

On most days Florence is overrun by tourists, but once each year, the locals reclaim their city through an ancient game where the roots run deep and the blood flows freely.

Miami's Liberty City is football's Mecca, home to NFL legends. But the biggest rivalry in this city isn't exactly big--it all starts with a hard-hitting squad of 6 year-olds.

Amidst scandals, legislative battles and the new frontier of daily fantasy, the biggest debate in the world of sports today is gambling. Is it legal? And how do you define it?