WATCH: What Led to One of the Cowboys/Raiders Fights Tuesday--a Morris Claiborne Slam!

Whenever guys fight at practice or in games there is one thing that every altercation has in common--too much testosterone. Anytime you get as any alpha males as a football team has together with the sole purpose of knocking the day lights out of each other things are going to happen--like they did Tuesday during a joint practice session between the Dallas Cowboys and Oakland Raiders.

Want to see what started it?

@JPSportsRuckus

Morris Claiborne laid a hit on Raiders tight end Mychal Rivera that someone took exception to:

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