Sources: MLB to test out new radar- and camera-based replay systems in Yankee Stadium and Citi Field starting next week.—
Jeff Passan (@JeffPassan) August 17, 2012

This sort of testing is necessary and a huge step. MLB wants to ensure the accuracy is up to standard. Bootleg replay worse than no replay.—
Jeff Passan (@JeffPassan) August 17, 2012