The match changed after Besiktas went ahead
Junior Olaitan scored after his penalty had been saved early in the second half. Celtic responded with a triple substitution, and Osmand equalised with his first touch after Callum McGregor won the ball.
The new shape gave Celtic more movement around the penalty area. Duran moved through the centre, while Osmand attacked the space between the full-back and central defender.
Duran answered immediately after the late equaliser
The Colombian forward put Celtic 2-1 ahead, but Orkun Kokcu levelled with a long-range strike in the 85th minute. Less than a minute later, Duran reacted first to Kieran Tierney’s shot and scored the winner.
The game was played on 5 November at Celtic Park. Celtic’s first league-phase victory came from a brave response rather than a comfortable performance.
The bench provided the attacking detail Celtic had lacked
The opening half contained few clear chances. After the changes, Celtic had runners at different depths and could attack both the space behind the defence and the edge of the area.
That variety must continue. The result brings relief, but the team cannot rely on a five-goal second half every week. A faster start would reduce the need for another rescue.
The victory also changes the mood of the campaign. Celtic now have evidence that their attack can respond under pressure, which should make the next European match less anxious.