RUMOUR MILL: Man United considering £10m offer for Celtic star |Chelsea in talks to sign Arsenal star Sanchez | Guardiola sets sights on Spurs trio Alli, Rose and Walker | Souness says Rooney is past his sell-by date | Liverpool will demand £30m for Sakho this summer

Here are today's rumours from the world of football . . .
Keiran Tierney - United target.Keiran Tierney - United target.
Keiran Tierney - United target.

They include big stories on Sanchez, Alli, Rooney and Sakho.