Have you considered the shout "Hit early crosses"? It will set "crossing" to "often" and "cross from" to "deep" for your wide players.
This should see a lot more crosses, since your players will not try to run much with the ball, with the risk of losing it, before crossing.
It could be worth a...
An important thing to take note of is the Trequartista's closing down setting in player instructions. Per default it is set at the minimum, which means he'll provide next nothing on defense. Having three players in the midfield that doesn't help out on defense would require you to be extremely...