RL and soccer are already played at the JJB stadium - it will not be feasible to have a third club there.....also Orrell only get a few hundred to their games.....they'd look very odd in a 20,000 ground.
The Leeds venture can only be fairly assessed next year when the Tykes play in the ZP1.......but it should be mentioned that despite leading the ZP2 most of the year the Leeds RU side only got 500-600 to their games (and Leeds has the 2nd biggest population of any English City). Even the "final" - the deciding game between the top to teams in the division to see who won promotion to the ZP1 - got a crowd of "around" 5,000.