With his goal against Sheffield Wednesday in the FA Cup, Aguero has scored 23 goals in all competitions this season, more than any other Premier League player.
The Argentinian has scored 20 goals in 22 FA Cup apps for Man City. He's also the top scorer in English domestic cups since Aug 2011 with 30 goals.
Most goals in English domestic cups since Aug 2011:
Aguero - 30
Iheanacho - 18
Danny Hylton - 18
Walcott - 18