The phrase "are same league" implies that two or more things or people share similarities or qualities that put them in the same category. In contrast, antonyms for this phrase might include "are not alike," "are from different worlds," "are worlds apart," or "are polar opposites." These phrases indicate a vast difference in characteristics, qualities, or values that separate one thing or person from another. For example, the personalities of two individuals may be polar opposites, or two sports teams may be from different worlds, indicating their vastly different approaches to the game. Using antonyms for "are same league" can help emphasize differences and highlight unique qualities that set individuals or things apart from each other.