What 3 important rules of cricket?

1. In an ODI match for the first 10 overs the fielding side is only 2 men outside the 30 yard mark around the

2. If a batsmen is injured in the middle of an innings and is unable to run he his able to have a runner to run for him

3. In an ODI match a bowler is only alowwed to bowl a maximum of 10 overs