To many, Naby Keita was an unknown quantity of sorts heading into his first competitive 90 minutes as a Liverpool player against West Ham United on Sunday.
The 23-year-old, who had spent the previous four years between two Red Bull clubs, most recently RB Leipzig, has gradually made a name for himself in the Bundesliga by becoming the bar-setting box-to-box midfielder.
The Guinea international's powerful runs from deep, intricate footwork, range of passing and - over the past 12 months, in particular - thriving relationships with a forward line including the likes of Timo Werner, Youssef Poulsen and Emil Forsberg made him a force to be reckoned with on the continent.