After the 2009 Haru basho Ōtsukasa would have dropped out of Juryo, leaving Tosanoumi, who is 2 days under a year younger than Ōtsukasa, as the oldest active sekitori unless Kitazakura is promoted back to Juryo.
After the 2009 Haru basho Ōtsukasa would have dropped out of Juryo (see retirement below). His departure leaves Tosanoumi, who is 2 days under a year younger than Ōtsukasa, as the oldest active sekitori unless Kitazakura is promoted back to Juryo.