Andre Schurrle has grown in stature, that is according to his national coach, Joachim Low, reports the Daily Express.
This comes after the Chelsea forward scored an impressive second half hat-trick in Germany's 5-3 win over Sweden in Tuesday night's World Cup qualifier.
The 22 year-old has made a good start to his Chelsea career since moving from Bayer Leverkusen in the summer, and is now staking a claim to start in Germany's World Cup campaign.
"I told him recently that last year I wasn't very happy with his development. But now, in some games with us and in England, he has shown again what he can do.
"He is dynamic, works back well and had a strong finish."
Germany finished off an emphatic qualification campaign with an entertaining victory away to Sweden in Solna.
Tobias Hysen and Alexander Kacaniklic had put the hosts 2-0 up after 42 minutes. However the Germans turned the game around courtesy of Mesut Ozil, Mario Gotze and two from Schurrle.
Hysen brought it back to 4-3 before Schurrle sealed his hat-trick in the 76th minute.
Low hinted that Schurrle will be in the World Cup squad flying to Brazil next summer, and praised the young winger for working on his physical game.
"His physical strength was also always an issue, but he has worked well. If he continues to play like that, the World Cup will certainly not pass him by."
Schurrle returns to Chelsea action on Saturday when they entertain Cardiff City at Stamford Bridge
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