Here are our suggestions! There are former Posh players and future top-class stars amongst them.
Let us know which League One players you think Posh boss Darren Ferguson could sign to enhace his current squad.
17.
Rotherham United: CHIEDOZIE OGBENE (right) ripped Posh apart at the New York Stadium over Christmas and if Darren Ferguson ever fancies playing with wingers again this is the man he should sign. | JPIMedia Photo: Staff
18.
Shrewsbury: AARON PIERRE (right) is a former Cobbler who has shone at the heart of a strong Shrewsbury defence this season. | Joe Dent/JMP Photo: Midlands
19.
Southend United: STEPHEN HUMPHRYS. Really? I hear you cry, but yes according to those who follow these things this striker's all-round data is pretty good considering the awful side he's spearheaded this season. | 2017 Getty Images Photo: Getty Images Europe
20.
Sunderland: JON MCLAUGHLIN is the best goalkeeper in League One according to us journalists, but I'm a Christy Pym convert so he would only be signed as a decent experienced back-up number one. | JPIMedia Resell Photo: SSH_02/03/2020_npse-0-03-20-ccfc