Jason Roberts climbed off the bench to hit a late double as Blackburn came from behind to claim three priceless Barclays Premier League points with a 3-1 win over fellow strugglers Portsmouth.
Jamie O'Hara had put Pompey in front with a 30-yard effort in the 15th minute, but things changed after Sam Allardyce rang the changes at the break.
Roberts steered home a 52nd-minute equaliser, before Ryan Nelsen headed Rovers in front with a rare strike in the 73rd minute. Roberts then wrapped up the points with five minutes to go.
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