Gerrard admits he didn't know too much about the Reds' new winger until he took to Youtube and saw some of his 'best of' clips.
"Lazar, I've obviously seen clips on YouTube like every other Liverpool fan. He looks quick, pacy and he'll get the fans on the edge of their seat. We'll see with time.
"I've got big trust in Brendan [Rodgers] and I'm sure who he brings in will be up to scratch."
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