It's a bullpen game so those 3 are almost certainly going to have to pitch. Assuming Fulmer couldn't go any further, I'm ok with Palencia coming in but he had absolutely no command today and shouldn't have been allowed to walk the bases loaded for the top of the Braves lineup.
I get that Ross wanted to avoid using Leiter for more than an inning at all costs but it was plainly clear Palencia couldnt find the strike zone. Even 2 of the strikes he did get were balls that the ump called incorrectly.