Former Arsenal midfielder Freddie Ljungberg fears Arsene Wenger may leave the club if he is offered a bigger budget to work with elsewhere.
Wenger has nurtured talent rather than spending big money - but the Gunners have not won a trophy since 2005 and are virtually out of the Barclays Premier League title race this season.
Ljungberg, who won the title twice under Wenger, told ESPN: "If he gets a great opportunity somewhere where they spend more money and win things, maybe that's a possibility. At the same time he likes to bring up new players and he has been at Arsenal a long time."
He added: "I know he is a winner; he always wants to win - just as much as the players. He gets as angry as the players when we lose.
"When they are not winning, or they are fourth or fifth, I know he is not happy about not winning."
Ljungberg, now at Major League Soccer side Seattle Sounders in America, feels money is an important factor in Arsenal's trophy drought.
The 31-year-old said: "Maybe it's harder. If you look at the money they are spending, they are not spending as much as before.
"Maybe it puts more pressure on him [Wenger]; maybe he can't get exactly what he wants all the time; maybe he could a bit more in the past."
While the current team have had splits in the dressing room this season, Ljungberg has fond memories of the side he played in.
"They were the best years of my life - we were like a family," he said. "We had great players and a great team and won everything we could win."
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