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TEMPE, Ariz. (AP) — Arizona quarterback Carson Palmer says he's tried everything under the sun to try to heal his ailing right shoulder.
But whether it responds to any of the treatment in time for him to play Sunday against the San Francisco 49ers remains to be seen.
Palmer injured a nerve when he collided with San Diego's Eric Weddle and fell to the ground in Arizona's season-opening win over the Chargers. He missed last Sunday's 25-14 road victory over the New York Giants.
Palmer, listed as limited in practice on Wednesday, said the injury is "getting a little better every day. Hopefully that trend continues so I can be ready to roll on Sunday."
Cardinals coach Bruce Arians and the players spoke to reporters before news surfaced of backup running back Jonathan Dwyer's arrest on domestic violence charges.
Palmer reeled off a list of treatments he's received — "stim and ice, massage, acupuncture, dry needling, art machines, all these different things."
"If you know something, let me know," he said.
Palmer is waiting for a nerve that fell "asleep" to start functioning again.
"It's extremely frustrating," he said. "I wish I had a concrete answer or somebody knew exactly what to do to wake it, but that's not known. It's just time. The only answer is time and I'm hoping it doesn't take any more time."
In the portion of practice reporters were allowed to watch, Palmer played toss with what looked like a ball of tape, but during drills, he didn't pass while the other two quarterbacks did.
The New York game was only the second he has missed due to injury since 2008.
If Palmer can't go, Drew Stanton will get his second straight start. Stanton had not played in a regular season game since 2010 before guiding the Cardinals to victory Sunday.
Stanton proved to his teammates what he could do, Arians said.
"I've known it ... but you have to go out and see it, even as a teammate," Arians said. "He has a lot of respect in that locker room. He's got a lot more now."
Among those missing practice Wednesday were running back Andre Ellington and outside linebacker John Abraham.
Ellington played Sunday, rushing for 91 yards in 15 carries, despite a torn tendon in his left foot. He didn't practice most of last week, either.
Abraham returned to the team after taking a leave of absence while contemplating retirement. He chose to return but remained sidelined with symptoms from the concussion he sustained in the season opener.
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