Professional athletes are known for being incredibly focused. But every now and then, one of them loses focus for a split second and—D'OH!—has a brainfart. As a result, they get picked off at first base by a pitcher or accidentally shoot a ball into their own basket. Bleacher Report just assembled a list of some of the worst sports-related brainfarts ever over here. Which one do you think was the most embarrassing?

[via Bleacher Report]