There is no scientific evidence that suggests that lefties are better at sports than righties. In fact, some studies have shown that there may be a slight advantage for right-handed athletes in certain sports, such as baseball and golf. However, these differences are likely due to the fact that most sports equipment and facilities are designed for right-handed people, giving them a slight advantage. Overall, there is no significant evidence to support the claim that lefties are better at sports than righties.