According to the LA times, NY Mets pitcher Claudio Vargas received a PRP injection to his throwing elbow. Vargas attributed the positive turning point of his recovery to PRP. Vargas is one many professional ballplayers that have received this treatment. However there are many variations with PRP treatment including debates amongst experts on optimal equipment used to concentrate the platelets and the absolute need for ultrasound guidance. Therefore treatment failures must be carefully looked at to make sure that the exact area was appropriately localized & treated. Takashi Saito. Felow mets player Jose Reyes also had a PRP injection for a hamstring injury. successfully received PRP treatment and avoided Tommy John surgery.