Tennis Channel may have a tough time getting into as many homes as it wants, but it has had zero trouble stirring debate of late. The American tennis-devoted network bridged (and brilliantly, I might add) the divide between the Indian Wells and Miami Masters with their five night countdown of the 100 "Greatest" Players of All Time. While it may have been a blip on the radar of the greater sports universe, embroiled in the NFL's Peyton/Tebow/Sanchez saga and watching Ohio bust their March Madness brackets, the special certainly set tennis' chattering classes a-twitter, especially on Twitter, with a number of the rankings. While we've stated previously in this space that it's impossible to answer the question of the greatest of all time definitively, we thought it would be worth sharing what we consider inviolable criteria for setting about the task.
