Not to mention, there's just no way that the Knicks are going to Jersey. It will never happen. I can't see the Bronx either. I guess it's possible they could find space in Queens near Queensboro Plaza, but I can't really picture that either.
Not to mention, the West side idea is a challenge due to the lack of train lines over there. It would be a bit of a walk and one thing NY has done an amazing job with is convenience as it pertain to sports. Citi, Yankee Stadium, MSG, Barclays...all right off a particular subway stop. The MSG location is perfect too. You've got the red line that goes right into MSG. 1 block west you have the blue line, and 1 block east you have the orange and yellow lines plus the PATH. It's really convenient for anyone to get to.