Answer
The WWE Tag Team Championship reign of Joey Mercury concluded in 2006. He held the title with Johnny Nitro as part of the tag team MNM (Mercury and Nitro) from the year 2005 until 2006. Their reign came to an end on January 29, 2006, when they were defeated by The Hardy Boyz (Matt and Jeff Hardy) in a Tables, Ladders, and Chairs match at the Royal Rumble pay-per-view event.