Aston Villa missed out on the chance to climb into a Champions League spot as two-goal Tuncay Sanli earned Gareth Southgate's side a 2-1 victory at Villa Park.
The Turkish star capitalised on a mistake by Steve Sidwell with two minutes remaining to earn Boro their second away success of the campaign.
Sidwell had cancelled out Tuncay's 34th-minute opener on what was his full league debut for the midlands club with an equaliser three minutes later.
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