Manchester United fullback Patrice Evra admits he's followed closely the transformation of FA Cup opponents Manchester City.
Last season the old foes scrapped it out in the Carling Cup semi-final, which United won in the final minute of the second leg thanks to Wayne Rooney, who will be absent this weekend through suspension.
"The derby has changed in the time I have been at Old Trafford," Evra admitted. "City are stronger than they were before.
"Now they play to win the league every year. It is different and when everyone sees these matches they expect a big game because something always happens in the derby."
