These things happen, but it seems like a pretty odd set of things that need to line up for # 3 to be valid. (money.stackexchange.com)
The company have also served us another rather odd set of circumstances. (slaw.ca)
It would take a pretty odd set of results, starting with Southampton, Crystal Palace and Swansea all beating Man City, but it could still be done! (uptheclarets.com)