Fairly often in professional football, paths re-collide which will trigger either fondness or ill-feeling between two individuals - or perhaps a simple case of what might have been.
It's been over 15 years since Jose Mourinho worked with Scott Parker during his first stint as Chelsea boss, in a season which will go down in history from start to finish.
From the famous 'special one' announcement on his first day in charge to a then-record points tally of 95, the Portuguese's introduction into English football was brilliantly eventful yet Parker, rated as one of England's brightest midfield prospects at the time, was one who simply fell by the wayside.