Mikel Arteta says Arsenal "did the right thing" when requesting the postponement of last weekend's north London derby against Tottenham.
Sunday's game was called off because Arsenal did not have enough players.
Tottenham boss Antonio Conte called the decision "strange" and said matches should only be called off because of Covid-19 cases and not for injuries or players on international duty.
"We will defend our club with teeth and nails," said Arteta.
Arteta added: "We're not going to get anybody damaging our name or trying to lie about things that haven't occurred.
"We will make mistakes, we will put our hands up but we will defend our club in a really strong way.