Video - Pellegrini in buoyant mood as City top group
Raheem Sterling celebrated his 21st birthday with a quickfire double to send Manchester City through to the Champions League last 16 as group winners.
The England international struck twice in the space of two minutes as City came from behind to beat Borussia Monchengladbach 4-2 at the Etihad Stadium.
City had trailed after the Germans replied to David Silva's early strike through Julian Korb and Raffael but Sterling turned the game around late in the second half and Wilfried Bony added the final gloss.
With Juventus losing at Sevilla, the result was enough for City to leapfrog the Italians to the top of Group D while Monchengladbach slipped to the bottom and missed out on a Europa League spot.
These were the views of Pellegrini as he spoke to BT Sport:
Meanwhile, City keeper Joe Hart admitted his side needed to bounce back after some indifferent displays in the Premier League: