Revis is dealing with a concussion and was sent home by the team Wednesday so he could rest. Meanwhile, Mangold has a deep cut on his right - snapping - hand that required six or seven stitches to close. Both were injured during the Jets' 24-17 loss at Houston last Sunday.
Revis was home while the Jets practiced Wednesday and will continue to go through the NFL's concussion protocol. He needs to be cleared by doctors before he can practice.
''Hopefully, he'll feel a little better as the week goes,'' coach Todd Bowles said. ''He wasn't 100 percent still and the docs won't let him sit in meetings just yet.''
That means the Jets could potentially need to start either Buster Skrine or Marcus Williams opposite Antonio Cromartie at cornerback against the Dolphins, with both teams trying to remain in the playoff hunt.
''We are ready to play without him, but if he comes back it will be a bonus,'' Bowles said of Revis. ''We'll see later in the week, but we are preparing to play without him.''
Mangold was wearing a heavy wrap on his hand and didn't snap the football during practice, something he hopes to do Thursday.
''He has been the quarterback of this offensive line for a long time,'' Bowles said. ''Guys rely on him for everything, whether it's the calls, the blocking schemes or the enthusiasm.''
Mangold said he's feeling better ''slowly, but surely,'' but was uncertain whether he'd be ready to play. He missed a game after injuring his neck at New England on Oct. 25, an ailment that didn't appear on the injury report Wednesday for the first time since the incident.
''The neck feels great,'' he said. ''I haven't had any issues with that.''
Safety Dion Bailey (ankle) and tight end Kellen Davis (personal reasons) also sat out practice. Wide receiver Brandon Marshall (toe) was limited.
The Jets got defensive lineman Sheldon Richardson back after he sat out practice last week with a strained hamstring that caused him to miss the game at Houston.
AP NFL website: www.pro32.ap.org and http://twitter.com/AP-NFL