Of the 10 players who we’ve selected - who have played for or represented both Sunderland and Middlesbrough over the years - who is your favourite?
Cast your vote now! (top right of player profile)
Some good, some bad, but some did make an impact on Wearside.
Other names to have links with both clubs are: Steve Agnew, William Agnew, Julio Arca, Bolo Zenden, Stewart Downing, Lee Cattermole, Allan Johnston, Brian Deane, Alan Foggon, Shay Given, Danny Graham, Justin Hoyte, David Hodgson, Graham Kavanagh, Grant Leadbitter, Mark Proctor, Dickie Rooks, Dean Whitehead, David Hodgson, Andy Dibble, Matt Kilgallon, Geoffrey Butler, Colin Cooper, George Kinnell, James Watson and Johnny Crossan, to name but a few.
Also, do you have any memories of players who have turned out for both clubs, please share.