would more defenders in the team help us score more?

was reading this;

http://www.bbc.co.uk/sport/football/38240386

and think this could really suit us - Van Dijk being our star player right now, I think he could do it better than anyone.

So let's add another defender and do this;

Forster

Yoshi VVD Fonte

Cedric Romeu JWP Bertrand

Tadic Boufal

Austin

The extra CB would free cedric and Bertrand to give us real width attacking, we could have both tadic and boufal to provide a central threat, and a striker to poke chances in from crosses or trickery. JWP and Romeu to marshall the midfield and VVD free to make as many bursting runs as he likes...

IF teams try to press our full backs to hold us back, VVD can rampage. if they come inside to get VVD, cedric and Bertrand can pile crosses in.