The advanced systems, which have been installed at New York stadiums to minimize cost during the test-only phase, will consist of one radar-based and one camera-based system. Both the radar and camera systems resemble Hawk-Eye, the instant replay system presently used to judge balls hit down the line in tennis.
|MLB's Network Operations Center, Manhattan. Warga/News|
Still, MLB Commissioner Bud Selig predicted, "We're now going to add [instant replay] on trapped balls ... [and] bullets hit down the first and third base lines."
If tests in New York, which will serve as tools for analysis and observation only, are successful, expect instant replay—estimated to cost between $30 and $40 million—to once again be in the winter discussion.
News: Exclusive: MLB to test two different advanced replay systems during games next week (Yahoo!)