"There is trust and confidence," said the Arsenal boss. "I believe that Cesc has given a lot to the club but the club has given a lot to Cesc, so that's why.
"I believe he loves Arsenal and that's why he accepted our decision in the situation.
"Mascherano might be a financial problem, I don't know. When you transfer a player, you need the agreement of the three parties and that's why player power exists and is legitimate. But the club has its rights as well."