Support WBURSoccer-Playing Engineer Calls Foul On Pricey Knee BracePlay04:50Download AudioPaula AndaloMarch 26, 2019 ShareAfter a sports injury, Esteban Serrano owed $829.41 for a knee brace purchased with insurance through his doctor's office. He says he found the same kind of brace selling for less than $250 online. (Paula Andalo/Kaiser Health News)