Arsenal great Patrick Vieira fears his former club may lose their star players unless they end their trophy drought.
The Gunners have failed to land any silverware since lifting the FA Cup in 2005 and look to have lost the race for the Barclays Premier League title this season.
Manchester United can extend their gap at the top of the table to nine points with victory against Newcastle this evening, and time is running out for Arsenal in their quest for a first league triumph in seven years.
And Vieira, now of Manchester City, worries that Arsenal will continue to be the perennial bridesmaids unless they show the combative edge and winning mentality of United.
This, he says, could lead to the likes of Cesc Fabregas and Robin Van Persie leaving the Emirates Stadium in pursuit of success elsewhere.
"These days I follow Arsenal as a supporter in England," explained the 34-year-old.
"I love watching them play and the Arsenal players are doing the right things but you have to add something to that - notably in physical impact.
"In my day Adams, Keown, Winterburn or Parlour might have had less quality but they would put their heads where others wouldn't put their feet.
"Arsenal don't yet have United's killer mentality. They often need three or four goals to win a match.
"The problem is the important players like Fabregas and Van Persie will end up asking themselves questions."
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