Joel Campbell says Arsenal must respect Sheffield Wednesday ahead of their Capital One Cup fourth-round clash.

Arsène Wenger's side are in good form ahead of Tuesday night's trip to Hillsborough, having won six of their last seven matches in all competitions.

The Owls are unbeaten in eight games themselves and Campbell says they will pose a considerable threat.

"We know what teams from the Championship are capable of," he told Arsenal Player.

"All teams want to win this tournament ­ it's an important tournament, especially for teams from the second division playing against a Premier League club.

"They're going to be extra-motivated to get the win - you have to respect every team you play. If we approach the match with respect, we'll have a good chance of winning."

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