Familiar faces
Goalkeeper Caoimhin Kelleher made a move directly to Brentford from the Reds - for whom he made 67 appearances - during the summer.
Former Liverpool captain Jordan Henderson also switched to the Gtech Community Stadium on his return to the Premier League.
Keith Andrews' squad includes more Anfield alumni, too, in Fabio Carvalho and Sepp van den Berg.
Key players
Only Erling Haaland and Antoine Semenyo had scored more in the league than Brentford's Thiago ahead of this weekend's matches.
He has five strikes to his name so far.
Henderson leads the way for assists at the club with two, meanwhile.
Kelleher has made 20 saves, including one from a penalty.
Previous meetings
The Reds did a 2-0 double over Brentford in the Premier League last season.
Goals from Luis Diaz and Mohamed Salah secured the points at Anfield in August.
Then, on a vital day en route to the championship, Darwin Nunez scored twice in stoppage time in the capital in January.