Derby County must target an ‘outstanding’ League One striker this summer to either replace or partner James Collins in attack next season. Derby County are fully focused on winning promotion back to the Championship. The Rams need four points to guarantee their return to the second tier as they travel to Cambridge United tomorrow afternoon. Paul Warne feels calm and relaxed about his side’s chances having put themselves in a prominent position however, they need to finish the job without any drama. Derby secured a 3-0 victory over Leyton Orient last time out to tee up this opportunity as Bolto…