In The Burning Crusade it is item level 123, requires level 70 and is named Gladiator's Left Ripper. In Wrath of the Lich King it is item level 123, requires level 70, sells to vendors for 1c and is named Gladiator's Left Ripper. In MoP Classic it is item level 123, requires level 70 and sells to vendors for 1c.
Blizzard numbers items as they are created, so the named items next to ID 28314 (28309 to 28319) were usually added in the same batch as Gladiator's Fleshslicer: the same quest line, zone, vendor or reward set.