Salah and Firmino were on target as Red Star Belgrade were beaten 4-0 at Anfield a fortnight ago, and both now sit one goal short of the legendary Rush's total of 14 European Cup goals for the Reds before Tuesday's return game.
The Champions League Group C encounter at the Rajko Mitic Stadium will be Liverpool's 200th in Europe's elite club competition, with 113 of the previous 199 ending in victory for the Reds.
For more need-to-know pre-match facts and figures, courtesy of club statistician Ged Rea, read on...
The Reds have scored 48 goals in the Champions League (from the group stage onwards) since the start of 2017-18.