Marten de Roon has labelled his move to Boro as 'an honour' after the midfielder put pen to paper on a four-year deal this week.
The Dutchman arrived at Rockliffe on Monday to complete his move from Italian side Atalanta and joined in with training with his new teammates for the first time on Tuesday.
Player of the Year with Atalanta last season, De Roon is hoping he can carry on that form with Boro in the Premier League come August.
"I'm really happy to be here," he said. "It's an honour that Middlesbrough chose me to come here and play for them.
"I hope I can make it a good season for the club. At the end of last season in Italy Boro contacted my agent and told me they were interested.
"I was directly interested because for any player the Premier League is the highest level you can reach - especially for a Dutch player.
"From the age of six you're looking up to the Premier League. The two clubs had some negotiations but I'm happy that after a month or so it's all done."
No player in Serie A made more tackles than De Roon last season and the defensive midfielder also came second in the list for the most interceptions in the Italian top flight.
"I'm a player who always works hard for the team," said De Roon.
"I'm not the first person you would notice if you watch a team play because I don't get the goals and assists.
"But I run a lot and keep on going. I take a lot of balls in front of the defence. I think the best way to describe myself would be to say you don't miss me until I'm not there."
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