Alisson, Keita handed first Liverpool starts
Brazil international Alisson arrived from Roma after the World Cup in a deal which could eventually cost Liverpool £65million.
That made Alisson the world's most expensive goalkeeper until Kepa Arrizabalaga joined Chelsea for £71.5m on Thursday.
As expected, Alisson immediately becomes first choice ahead of Simon Mignolet and Loris Karius - the latter settling for a place on the bench.
Keita also appears for the first time in an official game for Liverpool since moving from RB Leipzig.
Our first @premierleague line-up of the 18/19 season. #PL debuts for Alisson and Keïta...#LIVWHU pic.twitter.com/dQ8NUxdwzN— Liverpool FC (@LFC) August 12, 2018
The Guinea international's switch was clinched last year, with the Reds paying £53.6m for the talented box-to-box midfielder.
They line up alongside Liverpool's feared front trio of Mohamed Salah, Roberto Firmino and Sadio Mane, while other new signings Fabinho and Xherdan Shaqiri - brought in from Monaco and Stoke City - named as substitutes.
Visitors West Ham also enjoyed a busy pre-season, with new boss Manuel Pellegrini including five new players - Lukasz Fabianski, Ryan Fredericks, Fabian Balbuena, Jack Wilshere and Felipe Anderson - in his starting XI.
Andriy Yarmolenko and Issa Diop are named on the bench.
new signings in our starting line-up! pic.twitter.com/2A8WR21Xo2
— West Ham United (@WestHamUtd) August 12, 2018