Sports: This is a photo of two sumo wrestlers. Sumo wrestlers do this before matches. Sumo wrestling is a very popular sport in Japan. The object of the game is to throw your opponent out of the circle they are standing in. Another popular sport in Japan is baseball. the Japan league is the NPB (Nippon Professional Baseball). Its a competitive league and fans love watching their games. Some other sports include karate, martial arts, football, surfing, and figure skating.