Jordan Schafer, Anthony Varvaro and David Carpenter exemplify the Braves' knack for getting the most out of the "free talent" market (players claimed off waivers or signed as minor league free agents), writes ESPN's Keith Law in his latest Insider piece. Law writes that the Braves have succeeded with tight payrolls in recent years by excelling in this area, and he also looks at the next wave of "free-talent" players on the horizon for the Braves. Here's more out of the NL East…