The Reds claimed an impressive 2-0 win in the Carabao Cup semi final second leg at the Emirates Stadium, going through 2-0 on aggregate.
"Martinelli by the way, everybody should remember that name," Klopp said.
"He's an outstanding player."
Martinelli has quietly become a regular for Mikel Arteta over the past few months.
The Brazilian has scored four goals in 13 league appearances.
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