Arizona Cardinals running back Ryan Williams underwent plasma injections

Sept. 23, 2012; Glendale, AZ, USA; Arizona Cardinals running back Ryan Williams (34) runs the ball as Philadelphia Eagles free safety Nate Allen (29) watches in the second half at University of Phoenix Stadium. The Cardinals defeated the Eagles 27 – 6. Mandatory Credit: Jennifer Stewart-USA TODAY Sports /

In what many consider a last ditch effort to help an ailing injury, Arizona Cardinals running back Ryan Williams underwent platelet-rich plasma injections last week to help his banged up right knee.

Per the Arizona Republic:

"Cardinals running back Ryan Williams underwent a platelet-rich plasma injection in his ailing right knee about 10 days ago. Williams is just one of many athletes to receive such injections, which are designed to send highly-concentrated platelets, the part of blood that helps us heal, to the injured area.It works like this: The patient’s blood is drawn and then put through a centrifuge. That concentrates it down to 7-10 times the normal amount of platelets. The substance is then injected into the injured area. “It tricks the body into regenerating,” said Dr. Luga Podesta, an orthopedic surgeon at Kerlan-Jobe Orthopaedic Clinic in Los Angeles."

Williams is currently listed behind Rashard Mendenhall on the Cardinal’s depth chart and will need to see steady improvement in the knee to keep that spot.

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