Bloodsport was a fighter in Roulette's Metabrawl. One of his fights was against the Electrocutioner where he was able to hold his own. When Green Arrow and Black Canary Tried to end the Metabrawl, Bloodsport and the other fighters attempted to fight them but were caught in a net.
Bloodsport later became a member of Grodd's Legion of Doom. He joined Grodd in his attempt to regain his position as leader of the Legion. Bloodsport fought Atomic Skull and with very powerful moves, he gained the upper hand. Bloodsport's fate is unknown but it is presumed that he died in the explosion.
The depicted subject bears the likeness of Bloodsport from the DC Comics; however, the DCAU character was never named on-screen, or otherwise. The title of this article is conjecture based on the character's likeness.
In the DC Comics, Bloodsport is Robert Dubois, a man who suffered a breakdown after learning that his brother had fought in the Vietnam War in his place and became a quadruple amputee. Lex Luthor supplies him with an arsenal of weapons and convinces him that Superman is the enemy.