Arsenal should have tied up Robin van Persie on a new deal long ago but do still have time to keep the sought-after forward, according to former Gunners captain Patrick Vieira.
Van Persie's 30 Barclays Premier League goals helped propel the Gunners back up into third place and secure Champions League football but the 28-year-old Dutchman has not yet signed a contract extension to a deal which runs out in 12 months' time.
Cesc Fabregas and Samir Nasri were both sold last summer, and Vieira, speaking at the launch of ITV Sport's coverage of Euro 2012, said: "Losing Samir Nasri and Cesc Fabregas last year was a big shock for Arsenal. If they lose Robin Van Persie this year it will be a drama."
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