Courtesy of Richard Drew
Jeff Passan, among many umpires, makes calls in replay booth for MLB games and uses new technology to look at second plays.
The Campanile • February 6, 2015 • https://thecampanile.org/5364/sports/leagues-should-expand-use-of-instant-replay/
Leagues should expand use of instant replay
Different types of replay technology result in a search for an impartial, efficient system