Sumo Days 1-8 digest: Of 4 leaders, trimmed from 7, Aonishiki raises injury concern

NAGOYA - The 15-day Nagoya Grand Sumo Tournament entered its second week Sunday with the number of leaders trimmed from seven to four, but concern mounted when sekiwake Aonishiki, among the four, appeared to injure himself and limped from the ring after his victory

Here is a digest of the eight days of action.