Amauri says joining Juventus is the "opportunity of a lifetime".
The former Palermo striker said: "Being here at Juventus is the opportunity of a lifetime. I will try and make the most of it and always give my best.
"I like the competition for places and it motivates me. I think it can help all of us strikers.
"With the quality that we have up front we will have to do everything we can to make the most of the chances we get.
"I have found so many champions here and I think that it will be easier to win with such a strong squad.
"These three friendlies in England will be important to get playing minutes ahead of our main goal - the Champions League preliminaries."