Hailey Dawson, center right, who has a 3-D prosthetic hand, drops the puck for Philadelphia Flyers center Claude Giroux (28) and Vegas Golden Knights right wing Reilly Smith (19) before the start of an NHL hockey game between the Vegas Golden Knights and the Philadelphia Flyers at T-Mobile Arena in Las Vegas, Sunday, Feb. 11, 2018. Richard Brian Las Vegas Review-Journal @vegasphotograph