All eyes will be on Arizona as the USQRA Wheelchair Rugby National Championships will be held in Phoenix this weekend.

The top 16 wheelchair rugby teams from across the United States will compete in the tournament held at the Ability360 Sports and Fitness Center April 20-22.

MORE INFO: The United States Quad Rugby Association website

Wheelchair rugby is one of the most popular sports for athletes with disabilities. The game is played with a volleyball on a basketball-sized court with goal lines marked by cones.

For a more in-depth explanation of the sport, watch this video from the Paralympic Games' YouTube video.

As you can see, the games can get pretty intense. This is no more evident than in the sport's nickname, "Murderball."

Several Valley athletes will be playing in the tournament, including USQRA Team USA athletes Joe Delagrave, Ernie Chun and Joe Jackson.

For a full game schedule, visit the Ability360 website.