When Wimbledon FC were relocated to Milton Keynes, the club's supporters were left heartbroken.
Wimbledon changed their name to MK Dons, while the fans back in South London set up a new team - AFC Wimbledon.
Now the two clubs could meet for the first time - in the second round of the FA Cup.
Should both teams get past replays on November 13 - the Dons face York City, while the MK Dons play Cambridge City - they will meet at Stadium MK on the weekend of December 1st.
There is already talk of a boycott by travelling fans.
Reading boss Brian McDermott praised a clinical second half performance which sent the Royals through to the last 16 of the FA Cup.
Brighton, Reading and Aldershot have some big matches this weekend in the Fourth Round of the FA Cup.
A football fan has put himself at the centre of a flurry of Twitter attention after betting his bank details on the outcome of a match.