Ferguson knows how to block Arsenal's powerful left hook  Old
Trafford supremo will not have forgotten the lessons of last
October's league encounter  Tomorrow's FA Cup final could be
decided by how well Manchester United handle Arsenal's left-hand
side. I've been watching a lot of tapes of Arsenal and I think
you probably take away at least two-thirds of their chances if
you stifle them in that area.  You can never totally wrap up
that flank but you have to minimise the damage. Ashley Cole is
probably the world's best left-back, Robert Pires is on fire at
the moment and then there is José Antonio Reyes. If Thierry
Henry was playing, too, it would mean even more trouble for
United.  It's still dangerous enough, though. Pires and Cole
love playing football on the same flank and they're almost
telepathic. Pires does all the dribbling and sees impossible
passes. Cole also spots things that others can't and has an
incredible engine. He's one of the fittest people I have ever
seen.  I think United have to fill tha