For the pro battles, there is à jug option. But we can not be jug! We should be able to be jug in the pro battles to play with friends, parkour, etc! Why are we not allowed to become jug on pro battles??

For the pro battles, there is à jug option. But we can not be jug! We should be able to be jug in the pro battles to play with friends, parkour, etc! Why are we not allowed to become jug on pro battles?? Thanks, llow