For a long time, Roberto Firmino was inadvertently a problem for Liverpool.
Firmino's prowess in what became loosely known as a 'false nine' position was such he was among the first names on the teamsheet for Jurgen Klopp, a key cog in a forward line alongside Mohamed Salah and Sadio Mane capable of frightening the life out of Pep Guardiola.
The Manchester City boss wasn't alone, though. With Firmino having locked down the central striking role, recruiting competition for the established attack became a troublesome business for the Reds, with potential targets all too aware they faced a difficult task in ousting the Brazilian as a regular starter.
