Arsène Wenger may call on the versatility of William Gallas on Saturday against Middlesbrough.

The 29-year-old was signed from Chelsea last week mainly to play at centre back and he may make his debut in that role on Saturday if Johan Djourou fails to recover from a shoulder injury he picked up while playing for Switzerland Under-21s.

However the manager is also struggling to fill the problem position on the left side of his backline. Ashley Cole left in the deal that brought Gallas to Emirates Stadium, Gael Clichy will be absent for another month and Justin Hoyte is more comfortable on the opposite flank. The new recruit may brought in.

"Gallas can play in different positions at the back and that is what we need," said Wenger in an exclusive interview with Arsenal TV Online. "He is used to the Premiership, he knows what it is all about and what it is to go to difficult places. That is why I am happy to have him.

"He can play left back and there is a possibility he may play there [on Saturday]. At the moment we have problem there. Justin Hoyte prefers to play at right back largely not left back. So [Gallas] is the most capable to sort that out.

"He could play [there] but I don't know yet. Djourou came back injured, Hoyte had a difficult game yesterday. I will assess it on Friday morning.

"Apart from knocks and bruises from international games which were more or less difficult, nobody else [new] is out."

Gael Clichy (foot), Abou Diaby (ankle), Lauren (knee) and Philippe Senderos (shoulder) are all still injured.

Arsenal TV Online subscribers will be able to see the full interview with Arsène Wenger on Friday morning.

In it the manager discusses: the international break, the standard of international football, his transfer dealings, why he signed Baptista, the story behind the Denilson deal, overelaboration against Man City, thoughts of signing Jonathan Woodgate and Gareth Southgate's move from player to manager.

6/1 - Arsenal v Middlesbrough: Julio Baptista to score the last goal

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7 Sep 2006