1.   Chiyonofuji was the Muhammed Ali of the sumo ring.

2.   Akebono has returned to the sumo ring after sitting out two tournaments with knee injuries.

3.   But nowhere is the weight-gain as obvious as in the sumo ring.

4.   But since retiring from the sumo ring, the Hawaiian-born giant is cultivating a new image.

5.   The tradition of banning women from the sumo ring had been challenged only once before Ota.

6.   The tradition banning women from the sumo ring had only been challenged once before Ota.