The Premier League is a ruthless place where players can be sold, loaned or released at a moment's notice, but amidst the chaos of finding a new side many players turn to their old clubs.
Footballers may return to their old haunts to keep their fitness up while they weigh up options on their next career move.
And after former Chelsea left-back Ryan Bertrand returned to Cobham to train this summer, Mail Sport takes a look at some of the other players who have recently rolled back the years and returned to train with their former sides.