Arsenal beat Chelsea 2-0 in their most recent Premier League match, a result which will count for little if the Gunners fail to beat the relegation-threatened Cardiff, who will be emotionally charged with the search for Emiliano Sala ongoing.
There also remain hopes a deal can be reached for Barcelona's Denis Suarez while the club have also been linked with moves for James Rodriguez, on loan at Bayern Munich from Real Madrid, and Paris Saint-Germain's Christopher Nkunku.
The Gunners, who can only sign players on loan due to their financial situation, are reported to want Croatia winger Perisic on a temporary deal with an option to buy for £35m in the summer, but Marotta said a transfer would only happen if Inter's demands are met. "If we can bring another player and when all the players want to play we can have a lot of trouble in future".
"[Suarez] is the same [as Perisic]".
'I know because I've spoken with the club, now the transfer market is hard but we can take different chances in the summer'.
Emery would not be drawn on specific names and insisted he would be content if the Gunners were unable to add to their squad in the challenging mid-season window. The possibility, if it can be [done], is good for us.More news: Red-hot Harden extends 30-point streak
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"I have had experience with different teams, teams like Sevilla and Valencia, where usually we sold players each season", he said. Between nil and two.
After initial concerns that the Greek defender would be ruled out until the end of February, and centre-back partner Koscielny had broken his jaw, Emery provided a positive injury update on the duo.
"The problem is we're having a lot of injuries in this position".
"We listened to the player, he has this desire".