Which Top 4 team is most ripe for a first-round upset?

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​Steve Aschburner: San Antonio hasn’t looked like its old self lately. Indiana seemed to spit out the bit early. But for one-and-done among the top seeds, I’m looking at Brooklyn. C’mon, the Nets are a “Top 4″ team by math only, tin medalists in an Eastern Conference Olympics that has one gold-medal club and two more duking it out for silver and bronze. The Nets have had a fine season and a playoff series is a nice way to punctuate the inaugural year in the borough. But they don’t have the defensive gear into which they can shift, in my view. I’ve seen Joe Johnson in recent postseasons (40.5 FG percent the past three). And if their opponent is Chicago — and the Bulls have reasonable healthiness from Joakim Noah, Taj Gibson, Luol Deng, Richard Hamilton and the rest — even the absence of Derrick Rose might not to get the Nets to south Florida for Round 2. Now if the Nets face Atlanta … nah, I’m still saying Brooklyn.