New Arrivals at SummerSlam Tonight?

Will we see main roster arrivals following one of the best NXT cards I have personally ever watched?  Well two should be on the horizon and if not, what are we waiting for?
Bobby Roode and Drew McIntyre had a great match last night and I was quick to notice with the Adam Cole angle that Bobby Roode left the arena pretty quick.  Is there more to that than just the angle going on in the ring?  Is there more to it considering Mauro mentioned a seismic shift in the landscape once Bobb