If Roberto Martinez's side fail to beat Champions League-chasing Arsenal they they will be consigned to the Championship next season, with only all three points taking the relegation fight to the final day.
Vlaar is, naturally, hoping for a Arsenal victory against the Villans' relegation rivals, a result which would secure his side's top-flight status for another campaign.
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"Of course it’s an important game for us. Of course it would be nice if Arsenal win. Maybe they will help, but we will see. It’s important for us."
Vlaar says he will watch the game and is confident Villa can secure their safety against Wigan on Sunday even if the Latics pull off an unlikely win at the Emirates Stadium.
"I think I’m going to be watching the game," he added. "I don’t know if we’ll see it together. We haven’t spoken about it.
"But I’ve said it before, we have it in our own hands and if we have to do it ourselves, we’re capable of doing that. All of the teams have to try to get good results so we will see what happens on Tuesday and Sunday.
"The most important thing is we’ll still have it in our own hands with the last game. If we have to do it ourselves then we will. I look forward to giving the fans a good result next week, whatever happens at Arsenal."