Sunderland knew there would be scrutiny at Blackpool following Bent's acrimonious departure and the pathetic effort against Newcastle the previous Sunday, when Gyan fluked a late equaliser.
At the double: Richardson netted twice in Sunderland's 2-1 win
They responded with a third away win of the season, 2-1, that leaves them a point off fourth-placed Chelsea, although the Wearsiders have played two games more.
'This meant a lot to the fans, the players and the manager,' Gyan said. 'We had to turn in a good performance and we delivered. It's obvious the manager felt bad after Darren's move, and before the game he tried to make sure we forgot about it. There's no doubt it was a big blow at the time, but we have a lot of players who are capable of doing well for Sunderland.'
Gyan started up front with Kieran Richardson the closest player in a 4-4-1-1 formation. The ploy worked as Richardson scored in the 15th and 35th minutes - his first goals since October 2009.
Blackpool pulled one back late on with a Charlie Adam penalty. The win meant Bent became less of an issue, and with five first-team regulars due back from injury over the next six weeks, there is not so much pressure on boss Steve Bruce to buy a replacement.
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