Sturridge started the game in the place of Firmino, who suffered a nasty eye injury at Tottenham on Saturday and was only deemed fit enough for the bench.
The England striker opened the scoring with a good header in the first half as he made his first start in the Champions League for six years.
With the score at 2-2 late in the second half, substitute Firmino ended up being the hero when he scored a dramatic winner late on to claim all three points for Klopp’s men.
And the Liverpool FC boss could not hide his delight at the performances of both Firmino and Sturridge after another memorable European night at Anfield.
Speaking at his post-match news conference on Tuesday night, Klopp said: “Bobby tested a little bit and then he went in and you think it’s the moment when you have to show faith in the squad.
“Yes, when you have Bobby Firmino available, you actually always think ‘come on, bring him’, but it was nice to see how Daniel performed tonight and he paid 100 per cent back.
“That’s so cool for him, for us, such a big, important sign.
“And how I said, bringing Bobby in after 70 minutes is a nice tool, to be honest, I really like that. So it was good.”
Liverpool FC will now switch their focus back towards Premier League affairs and their home clash against Southampton in the top flight on Saturday afternoon.
The Reds have made a 100 per cent start to the new campaign, and they have won all five of their opening games to leave them level on points with early leaders Chelsea FC.
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