Boro will be represented in Skopje next week when England take on FYR Macedonia in a crucial Euro 2004 qualifier.
New signing Danny Mills has been a regular member of Sven Goran Eriksson's squad and will hope to start ahead of Gary Neville on Saturday.
The on-loan Leeds full-back has played 16 times for England. Since coming on as substitute against Mexico back in May 2001 at Pride Park he has started 11 times, including 5 games in the 2002 World Cup finals.