A Marko Arnautovic double moved Stoke up to ninth in the Premier League as Middlesbrough fell into the relegation zone.
Arnautovic got his fourth and fifth league goals of the season as he produced a clinical performance which Middlesbrough's defenders couldn't handle on a difficult day for Aitor Karanka.
Karanka dropped Alvaro Negredo to the bench as he tried to spark a reaction from his attackers but none could be found on Saturday afternoon.
More to follow