Aitor Karanka is refusing to use the FA Cup to experiment with his Middlesbrough team as he attempts to avoid a giant-killing act at the hands of Accrington.
The defiant Spaniard, who faces the task of re-building bridges with the Riverside Stadium faithful on Saturday after criticising those who called for a more attacking approach and left early last weekend, is in no mood to be deflected from his mission.
Asked if he may experiment with both his selection and system against League Two Accrington, he bristled as he said: "I don't like experiments.