Pieterson appeared for Hampshire against Surrey in the FP t20 this month
Middlesex are interested in signing England's Kevin Pietersen, director of cricket Angus Fraser has revealed.
The batsman, who lives in Chelsea, has been linked with a move to London after announcing he will leave Hampshire when his contract expires this summer.
Fraser told BBC London 94.9: "He is a world-class player. Lord's is the sort of stage he wants to perform on.
"I would be very interested to discuss with him and his agent whether he would like to come to Middlesex."
Pietersen is centrally contracted to the England and Wales Cricket Board, and his commitments to England and his Indian Premier League club Royal Challengers Bangalore have restricted him to only one appearance for Hampshire in the last two years.
What have you got to lose? You get a world-class player associated with your club
Middlesex director of cricket Angus Fraser
But he has expressed a desire to play closer to his family - and Fraser believes he would still be a worthwhile addition to the Middlesex roster.
"What have you got to lose? You get a world-class player associated with your club," he said.
"In the same way that our young cricketers have learned from Adam Gilchrist, they will watch Kevin.
"Kevin gets a lot of stick from some people. But having travelled and watched him train, and work, he is a wonderful professional.
"He works and trains as hard as any cricketer I know and sets exactly the right example, so you are not going to say no to having someone like him around."
Pietersen's Hampshire contract runs out at the end of this season, but Fraser said any talks about a possible deal would have to wait until the end of the Friends Provident t20 campaign.
"We haven't sat down to discuss anything yet because we are busy in the middle of a season. But it is something that I would entertain," he said.