By Joe Koizumi
WBC superfly champ Yota Sato (25-2-1, 12 KOs), 115, Japan, successfully made his initial defense as he pounded out a unanimous decision (119-109, 118-110 and 116-113) over official challenger Sylvester Lopez (19-4-1, 15 KOs), 115, Philippines, over twelve fast rounds on Sunday in Yokohama, Japan. (More to come)
