The first time they see you get wounded, then big deal. They'd get the hell over it.
Don't stand there and tell me that there's no reason for anyone to suspect anything, since there is. There are observent people here. Make no mistake about that.
Either way, it's no one's business. If it happens on the field, then it happens on the field. You tell them you don't know why it happened. But this?
You might as well just out us both. Get it over with.