Answer:
Two bodies have I, though both joined in one. The more still I stand, the quicker I run.
RUGBY = 9, TENNIS = 14, FOOTBALL = 12, HOCKEY = 16, SWIMMING = ?
By the way, what never moves, wears shoes, sandals and boots, but has no feet?
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
What is often returned but is never borrowed?
I can only be played on a windy day