Manchester City and Celtic played out a low-key draw as their Champions League group phase concluded at Etihad Stadium.
The game was just a formality with City already assured of second place in Group C and Celtic eliminated with no chance of Europa League football.
Celtic started in impressive fashion and on-loan winger Patrick Roberts gave them a fourth-minute lead against his parent club with a crisp finish – an advantage that lasted four minutes before Kelechi Iheanacho drove an angled drive high past Craig Gordon.
And Celtic almost cashed in but substitutes Leigh Griffiths and Gary Mackay-Steven wasted late opportunities.
City boss Pep Guardiola made nine changes from the team that lost at home to Chelsea on Saturday, including teenagers Pablo Maffeo and Tosin Adarabioyo.
Both Guardiola and Celtic manager Brendan Rodgers seemed satisfied at the final whistle, with the only dampener on the night being when scuffles broke out between a small number of rival supporters in the second half.