Sergio Aguero scored within a minute of returning from injury as Manchester City thrashed Blackburn to book an FA Cup fourth-round tie against Watford.
The Argentine striker has been out with a calf problem but came off the bench in the second half to turn and fire in.
By that stage, City were already 3-0 up after Alvaro Negredo scored either side of the break and Edin Dzeko squeezed in at the near post.
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After Aguero struck, Dzeko converted Jesus Navas’s cross for his second.
It was another demolition by Manuel Pellegrini’s side, who drew 1-1 with Blackburn at Ewood Park in the original tie and have now scored 99 goals in all competitions this season.
The result means they maintain their 100% home game record in domestic completions.
