Three times a week, Roberto Perez retreats to a back room at Progressive Field, eases himself off his feet and gets needles jabbed into his face. Perez is here at the World Series because of these acupuncture points. Every October offers a surprise or two, and Roberto Perez – 33rd-round pick in 2008, skimpy $10,000 bonus baby, veteran of the minor leagues for more than a half-decade and sufferer of Bell's palsy, a debilitating autoimmune disease that paralyzes the facial muscles – is assuredly the biggest.