Well ... he's on the move again, and West Brom have reportedly held preliminary talks over a move to sign the for former England defender.
The 35-year-old was set to undergo a medical at the Hawthorns.
But what about the Football League rule that says a player CANNOT play for three clubs before January?
He has played for Pompey this year, as well as that one game for Notts County, so that rules him out for another three months.
Or does it?
Campbell: "There are ways of playing before January; I'm not going to elaborate, but there are ways. Not very soon, but there are ways.
"First of all, I've got to get out of the (County) contract, people have to sign papers. There are lots of things that have to be tied up but I think everyone understands why."