By Rob Kelly

Per Mertesacker has hailed the progress of teenage winger Serge Gnabry and believes he is making major strides forward in his career.

The teenager made his Premier League debut against Norwich on Saturday and became the youngest German to appear in the Champions League after coming off the bench against Schalke at 17 years, three months and 11 days.

Mertesacker believes that every appearance will be beneficial for the pacy forward as he bids to secure a permanent first-team place.

"Arsenal are always searching for this type of player who have shown their qualities very early,” the defender said.

“They get them very early, so let's try to put confidence to him. He is learning a lot in training and these games are very important for him."

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Copyright 2014 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source 25 Oct 2012