This region contains a sizeable clutch of those crucial ‘Labour Leave’ seats through which the Prime Minister is trying to pave his path to an overall majority.
Both have chosen people with previous experience of their constituencies, which will stand them in good stead in the event of an early election.
Ashfield, Bolsover, Colne Valley, Leeds North West, Portsmouth South, Sefton Central, and Wrexham are seeking would-be MPs.
The Tories ousted Ed Balls and the Liberal Democrats managed to return two seats, but otherwise this region was a low-scoring draw for the main parties.
I also have new findings from Bristol North West, Bristol West, Thurrock, Colne Valley and High Peak.
The region, which the Yorkshire Post argues should have its own Minister, is the scene of intense campaigning.
A big lesson from the sum of recent Lord Ashcroft Polls is that the balance between Labour’s strength in England and its weakness in Scotland could be decisive in May.
What drives voters most? What are each party’s strengths and weaknesses? And what is going on in the battleground seats?
If the Conservatives had won 42 per cent from them too, our research projects that she would have won with a comfortable 42-seat majority.