Blackburn are going through a rough patch. They have lost three of their last five games and only managed one win in that stretch, so confidence looks shaky right now. Portsmouth have also had mixed results, with a couple of wins, a couple of losses, and some draws, but overall they look the slightly steadier side. When these two met earlier, the game finished level at two goals each, so recent meetings have been fairly lively.

Given Blackburn's struggles and Portsmouth's slightly better form, this looks like a close match that could go either way, but Portsmouth seem the more likely to come out on top. Based on the facts, I expect Portsmouth to win.