The 22-year-old former Arsenal youth player arrived at London Road from Dagenham & Redbridge in November and reached an impressive tally of 13 goals, including a hat-trick against Blackburn, as Posh were relegated from the Championship.
|11/4||Peterborough are 11/4 with Bet365 to be promoted from League One
"We don't want him to go. He is on a four-year contract but so many clubs are in for him that it is very difficult for us to stop a player from League One moving to the Premier League," he told South London Press.
"It has got to be a good offer - then we'd reluctantly let him go to the Premier League.
"He has got four years left but we are honourable people. We keep our best players as long as we can but if we get a good offer then we will listen to it.
"We've done that with all our players," the 68-year-old explained. "The difference here is that Dwight is on a much longer contract.
"He is the best player I've had - by 100 miles. Just look at his goals - right foot, left foot and head."