The two-time Pro Bowler could earn $55 million over the length of the deal which includes a guaranteed $22.5 million, local media reported.
"Fantastic," Mangold said on the team's website (www.newyorkjets.com). "I could not be more excited to have that done, to be here as long as I can imagine.
"To be able to say, 'the highest-paid center' is very nice," added Mangold, who was selected in the first round of the 2006 draft by the Jets with the 29th overall pick.
(Editing by Ian Ransom)