After Jose Mourinho saw his side slip to their latest disappointing defeat, the Manchester United boss did not hold back in criticising his players, saying it looked like they were playing a 'summer friendly'.
Moussa Sow's brilliant overhead kick saw the shell-shocked visitors trailing inside two minutes at an intimidating Sukru Saracoglu Stadium, before Jeremain Lens' unstoppable free-kick just before the hour put Fenerbache 2-0 up.
United pulled a goal back late on with a fine Wayne Rooney strike but could not find an equaliser as they slipped to third in Group A.
Mourinho pulled no punches in his post-match assessment, telling BT Sport: 'I think they deserved to win.