Brentford defender Kristoffer Ajer is confident Yehor Yarmoliuk has a big future with the club.
Yarmoliuk, formerly of Dnipro, made his Premier League debut in victory against Burnley last weekend.
Ajer told the club's website: I've been very close with [Yarmoliuk] for a long time.
He barely spoke any English when he got here and with what his country's been going through, it's been difficult.
You have to respect that it's not been easy for him to move here; it was always going to take time for him to settle."
Ajer continued: When he came on [against Burnley] you saw how powerful he is and how much he's developed.
He's speaking English now, almost better than me, so his development has been incredible. I'm happy for him.
We have to patient with young players, but what he shows every single day in training is very positive. The fans can expect a lot more of what he showed on Saturday.
He's extremely focused. At the beginning I thought it was because he was shy and struggled with his English, but even now he's extremely focused - that's his personality. When Brentford scout players they analyse this as well, so I'm not surprised."
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