Jones met Robin van Persie's cross from close range but, because his effort was off target before striking the City captain, it seems that it will not go down as the England international's goal.
This week's trivia question is:
Can you name the other four players to score own goals in matches against the Reds in the 2012/2013 Barclays Premier League?
Check out the answers here.
More trivia questions: Scored cup goals against United | 3-2 comebacks | Earliest away goals at OT | Goalkeepers meeting the Reds | Oldest scorers in Premier League | Internationals at Old Trafford | Old Trafford penalties | England's seven Reds | Alan Hardaker Trophy winners | Scored against United | United stars at European Championship | Goals for England