FLORHAM PARK, N.J. (AP) New York Jets center Nick Mangold and wide receivers Chris Owusu and Eric Decker are among those who did not participate in practice as the team prepares for the Oakland Raiders.

Mangold has a sore neck after injuring it at New England last Sunday. His status for this weekend is uncertain, prompting the Jets to sign offensive lineman Wesley Johnson from the practice squad Wednesday. Both Johnson and Dakota Dozier, who filled in for Mangold on three plays against the Patriots, took snaps at center.

Coach Todd Bowles announced that Owusu has suffered another concussion, to go along with a shoulder injury. Owusu has had at least four previous concussions.

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Decker sat out to rest a sore knee that has bothered him the last few weeks.

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