Im a fan of 4321 too, your arrows are no good!
Should be asf:
Red arrows, amr/l, and the lone st
Team mentality: Normal
Focus: Mixed, down both flanks if vs team with middle focused (only when ya hunger for goals)
Passing: Mixed
Pressing: Wholepitch (cos you have no dmc), change to own half to save some HP when you have goals ahead rival
Tackle: Hard or normal, s up 2 you
Counter attack: On (4321 is a famous counter attack formation)
Offside trap: off
Good luck