Derby County were incredibly active in the summer transfer window and one signing is proving invaluable to Paul Warne despite recent criticism. Derby have recorded three victories from seven Championship games, with their most recent defeat coming against Norwich City in controversial circumstances. The Rams were denied a point or perhaps all three as the ball went out of play in the build-up to Carlos Sainz’s first goal, with a similar scenario happening for his hat-trick clincher. Paul Warne was right to feel aggrieved about the decisions that went against his side but it was still a spirite…