By Mark Davies

DERBY CO 1PRESTON NE 0Morrison 80STAR MANDANIEL IVERSEN PrestonWAYNE Rooney admits he wants his Derby County players to “play on the edge”, despite a sixth red card of the season in a crucial win over Preston.Max Bird was sent off early in the second half after Preston had been reduced to ten men before the interval when Liam Lindsay got a red card for hauling down Tom Lawrence in the 33rd minute.Derby deservedly went ahead in the 80th minute when Ravel Morrison slammed a volley into the net.It was enough to secure a vital victory that leaves Derby six...