There is no chance that Atlanta would trade Horford and Teague for Rondo and a 2nd. None at all. I mean seriously which team would you rather have
Rondo, Williams, Smith, Gigantic ?, Howard
or
Teague, Williams, Smith, Horford, Howard
Clear no brainer, you take the second team and don't give it a second thought. I don't even know if Atlanta would trade Horford straight up for Rondo, never the less add in Teague on top of it.