He was part of a defence which has conceded six goals against Leeds United over two games, losing 4-1 and 2-0.
Derby face Leeds in the play-offs and Keogh is well aware that his side did not give a good account of themselves in their previous meetings.
Despite this, Keogh says he thinks Leeds' players are still going to be cautious of the threat Derby pose.
"They've had a good season and they'll want to try and finish the job off - but so do we.
"I think they know we're a good team - and I trust all the boys in that dressing room."
Leeds finished third in the Championship and Derby in sixth.
But as has been seen so often in the past, the league table counts for nothing in the play-offs.
Derby host the first semi-final on Saturday evening before the return at Elland Road next Wednesday.
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