Hailey Dawson, a 7-year old girl from Las Vegas was born with Poland syndrome, a rare birth defect that resulted in her being born without the three middle fingers on her right hand. Her mother was determined to help her, and soon she received a variation of Flexi Hand 2, a 3D Printed Prosthetic Hand from University of Nevada, Las Vegas (UNLV). As her story went viral, she has now been invited to throw the first pitch of World Series Game.
Source: https://www.reviewjournal.com/news/las-vegas-girl-ready-for-world-series-pitch/