Fans of Polish club Legia Warsaw still aren't happy about being kicked out of the Champions League over an administrative error, and showed it during their Europa League match against Aktobe on Friday.
This massive banner was displayed in the stands:
The team had fielded a suspended player during their 6-1 aggregate win over Scotland's Celtic in the third qualifying round of the competition.
The mix-up sent Legia tumbling into the Europa League despite their comprehensive victory, and Celtic into the Champions League play-offs.
Justice was served quickly, though, as Celtic were promptly eliminated by Slovenia's Maribor. Legia, apparently watching on in glee, then tweeted: