From training to retirement, the bucking bulls of PBR live like star athletes

Friday night at PBR's Stampede Days, more than 50 bulls were on-site at Bridgestone Arena. If that seems like a lot of animals, that's because it is — but for good reason. No bull gets ridden more than once per night, meaning each animal works a maximum of eight seconds on any given day. That’s good work if you can get it.

It’s an incredible operation to load them in and out each evening. And while the riders may get most of the spotlight, these bulls are athletes, too.

CLICK HERE FOR MORE SPORTS COVERAGE ON FOXNEWS.COM

"These bulls have to be physically in shape to buck with so much intensity," explained Dr. Douglas G. Corey, chair of the Professional Rodeo Cowb...