>>150326727
If a player is seemingly injured, he either plays on or leaves the pitch asap, in which case he's either immediately subbed off or spends a set amount of time, I suggest three, four, or five minutes, off the field, leaving his team one man short. Enforcing this would be tough, but it should be doable
If the player supposed to take the penalty is subbed off, the guy replacing him takes the penalty. That's a bit of a shitty situation if this happens in the 90th minute, but there's no way around it, I'm afraid. And personally, I still prefer that over a single player hogging all the penalties