Sergio Aguero kept alive Manchester City's hopes of an unprecedented quadruple as they survived a major FA Cup scare in a thrilling fightback from two goals down to win 3-2 at Swansea in Saturday's quarter-finals.
Aguero had watched from the substitutes' bench as second-tier Swansea roared into a stunning first half lead through goals from Matt Grimes and Bersant Celina.