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After consulting with doctors, free-agent wide receiver Steve Breaston has decided not to undergo the Regenokine knee procedure in Germany, according to his agent, Eric Metz.
Breaston has been dealing with knee inflammation and early arthritic symptoms, sources said.
Doctors told Breaston that MRIs revealed nothing alarming and he is medically cleared to continue his NFL career, Metz said. Breaston is dealing with a "situation similar to many six-year veterans, and his character and toughness will override the normal wear," Metz said.
The procedure is the same treatment that players such as Kobe Bryant and Alex Rodriguez underwent to help save their careers.
During the procedure, a small cup of blood is removed from the patient, and then it is incubated at a slightly elevated temperature and spun in a centrifuge to make serum that's injected to combat inflammation that may resolve the player's knee irritation.
Breaston, who has played for the Arizona Cardinals and Kansas City Chiefs in his career, visited last week with the Pittsburgh Steelers and Cleveland Browns.