Wll, in top games tevez and dybala at their respective teams already sort of do that, but considering his drop of actual goal-threat after his injury, holding back vidal would not be bad either
Vidal's recovery from a hectic season, injury and surgery, followed by a WC campaign in which he was the linchpin of the Chile outfit, has been slow yet gradual. He seemed sluggish, then gradually began to find his tackling and covering abilities, then gradually begun to find his offensive movement returning to its former brilliance. The final stage is for him to find his shooting boots. And then, we will once again have in our starting line-up one of the finest box to box midfielders in the world.
Shoe-horned into a trequartista role, we see more his gradual search for sharpness in the box and less of his swashbuckling warrior routine.
I am with Red on the overly weighted forward line point. Vidal, Pogba and Marchisio, are far too special and complete midfield to disrupt to accommodate extra bodies up top.
It is tricky to determine need for Big Mario presently. As we have been playing at our best this season with no prima punta. Morata has the shape of one, but by nature is not at all a prima punta, he is closest, if to anything other than what he is, to a second striker. Yet the manner in which Allegri has unshackled the offensive points of the team have led to Tevez morphing between AM/CM/SS/CF and Morata ranging not so deep, yet rarely focused on one position in the final third, for he roams the flanks more than the central channels, other than when others are roaming the flanks.
Also...Zaza seems worth a punt as a prima punta. He needs to improve but has the potential to do so I suspect, especially if training and playing with vastly superior talent to what he has found at Sassuolo.