Ludogorets Razgrad's Champions League dreams came to an early end on Tuesday as they bounced out of the competition in the second qualifying round.
Two of last season's Champions League group-stage underdogs got off to a rough start in the first leg of the second qualifying round on Tuesday.
Tottenham came from behind to take a 2-1 win in the first leg of their Europa League qualifying play-off against AEL Limassol.
Celtic are facing the prospect of missing out on qualifying for the UEFA Champions League group stages after a heavy defeat in their third qualifying round first-leg encounter against Legia Warsaw.
Irish champions St Patrick's are out of the Champions League after a 5-0 defeat saw them lose 6-1 on aggregate to Legia Warsaw in the second qualifying round on Wednesday.
Ronny Deila's tenure as Celtic boss began with a narrow but deserved 1-0 win in the first leg of their Champions League second round qualifier against KR Reykjavik, thanks to a late goal from debutant Callum McGregor.