The concept of teamwork can be represented in different ways. But in this case, I think I've nailed it. These two Japanese fans were in the stands at the World Baseball Classic at Dodger Stadium.
I think it's safe to say, one could not be effective without the other. "We are Cham" and "The Pions" don't work without being joined to form the one word.
Japan beat South Korea 5-3 to win the championship for the second time in as many tries. The furry baseball hats add a nice touch. And no ... I don't know what the other side of the sign says.