Tom GoldmanTom Goldman is NPR's sports correspondent. His reports can be heard throughout NPR's news programming, including Morning Edition and All Things Considered, and NPR.org.
Ben Hansen (left) watches data on a hand-held device as Pittsburgh Pirates prospect Matt Benedict throws a ball. Benedict is wearing sensors that recorded 39 sets of measurements.
Usain Bolt from Jamaica celebrates winning the gold medal in the men's 200-meter final during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil.
David J. Phillip/AP
Jacksonville Jaguars wide receiver Lamaar Thomas (center) is hit in the head by Tampa Bay Buccaneers linebacker Brandon Magee as cornerback Kip Edwards helps make the tackle a 2014 preseason game. Magee was penalized for the hit.
Phelan M. Ebenhack/AP