The Reds have made an impressive start to the Premier League season following five successive victories.
Liverpool FC beat West Ham, Brighton, Crystal Palace and Leicester City in their opening four fixtures to find some momentum.
The Merseyside outfit made the trip to title rivals Tottenham Hotspur last weekend in their first real test of the new campaign.
Liverpool FC passed with flying colours thanks to a 2-1 win over Spurs after goals from Georginio Wijnaldum and Roberto Firmino.
The Reds hoisted themselves to the top of the table ahead of Sunday’s games thanks to a 3-0 win over Southampton on Saturday.
Mohamed Salah, Sadio Mane and Firmino combined for 90 goals in all competitions in the 2017-18 season.
Former West Ham winger Etherington expressed his only concern about Liverpool FC moving forward throughout the campaign.
“The only problem I could see moving forward is if they get an injury to that front three,” Etherington told BBC Radio 5 Live.
“They are so important. But Liverpool do look very strong.”
Liverpool FC finished in fourth spot in the Premier League table last season to secure a spot in the Champions League for the second successive season.
The Reds haven’t won the Premier League title but have finished in second place in 2002, 2009 and 2014.
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