The Yomiuri Giants, lost their 11th straight game, matching a franchise record, in an 8-5 interleague defeat to the Seibu Lions on Tuesday.
The Giants equaled the mark set in 1975, then-manager Shigeo Nagashima's first season at the helm.
Before a crowd of 24,533 at MetLife Dome, the Giants blew a three-run lead agains the Pacific League's Lions.