Arsenal throw the Premier League title race wide open after a 3-1 victory over the league-leading Liverpool at Emirates Stadium.
Saka opened the scoring after 14 minutes, prodding in a routine rebound after Havertz was denied from close range.
A needless Saliba mistake allowed the Reds a way back into the contest on the stroke of half-time, with Diaz sneaking in to prod a low cross off Gabriel for an own goal.
Klopp’s tactical tweaks seemed to have the visitors back in the game in the second half, only for Van Dijk and Alisson to comically fail to communicate and tee up the simplest of Martinelli goals.
It did not improve for the Liverpool goalkeeper either as Trossard rolled a tame finish through his legs to seal victory in the 92nd minute.
Arteta’s men move within two points of Liverpool at the top-flight summit, ahead of the Gunners’ visit to West Ham on Sunday.
The Reds must find a response when they host relegation-threatened Burnley on Saturday.