I worked with someone, who did this all the time, asked everyone who commuted on the same line if there had been any delays, and put refund requests in whenever someone had been affected regardless of whether they had been on that train, or even working that day. Worked fine, until a few in the...
But the issue is mainly due to the fact that Sheffield United tickets will be paper ones, and therefore all the issues of delays in post that brings, and no one wants another Charlton. If the cup tickets were e-tickets there would be far unless panic.
Would like to think so, but then we all know TV companies seem to take an age agreeing on games and dates/times.
With not long to post out paper tickets, this could be another collect from The Amex.