Hull City winger Mallik Wilks, who has played for Posh boss Grant McCann at two clubs, and goalkeeper Steven Benda, who impressed on loan at London Road earlier this season, were the most popular requests.
Here is the full list of nominated players...
5. STEVE SEDDON
A 24 year-old left wing-back at Oxford United. Played 40 times this season for a League One side who just missed out on the play-offs. (Photo by James Chance/Getty Images) Photo: James Chance
6. KYLE KNOYLE
A 25 year-old right-back who has enjoyed a decent season albeit for a Doncaster side relegated from League One. A former Cambridge United player and an unlikely Posh target. Photo: Getty Images. Photo: Nathan Stirk
7. ROSS SYKES
Ross Sykes (red shirt) is a 23 year-old giant centre-back at Accrington Stanley. He has played over 100 times for his only Football League club. (Photo by Charlotte Tattersall/Getty Images) Photo: Charlotte Tattersall
8. JACK RUDONI
A gifted 20 year-old striker who scored 12 goals for relegated AFC Wimbledon in League One this season. Could be available. (Photo by Bryn Lennon/Getty Images) Photo: Bryn Lennon