Poland's Pawel Brozek plays with the ball on the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Thanassis Stavrakis)

Poland goalkeeper Wojciech Szczesny saves a ball during the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Gero Breloer)

Poland's Adrian Mierzejewski, left, and Marcin Wasilewski attend the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Alik Keplicz)

Poland's Robert Lewandowski takes part in the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Michael Sohn)

Poland's Robert Lewandowski, left, and Kamil Grosicki attend the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Alik Keplicz)

Poland's Kamil Grosicki adjusts his socks as his teammate Robert Lewandowski watches during the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Alik Keplicz)

Poland's Jakub Blaszczykowski, left, receives a bib from assistant head coach Jacek Zielinski during the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Gero Breloer)

Polish national soccer team's players take part in the matchday -1 training session on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Michael Sohn)

Poland head coach Franciszek Smuda, left, speaks with Jakub Blaszczykowski during the matchday -1 training session on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Michael Sohn)

Poland's Robert Lewandowski exercises on the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece at the national stadium of Warsaw, Poland, on Thursday, June 7, 2012. (AP Photo/Thanassis Stavrakis)

Polish national soccer team take part in the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Michael Sohn)

Poland's players exercise on the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, on Thursday, June 7, 2012. (AP Photo/Thanassis Stavrakis)

Referee Carlos Velasco Carballo, 2nd left, from Spain and his team attend a matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Alik Keplicz)

Poland's Lukasz Piszczek controls the ball during the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Alik Keplicz)

Poland's Rafal Murawski exercises on the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Thanassis Stavrakis)

Poland's Rafal Wolski, left, and Maciej Rybus attend the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Alik Keplicz)

Poland's Robert Lewandowski stretches on the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Michael Sohn)

Poland's Jakub Blaszczykowski gestures during the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Gero Breloer)

Poland head coach Franciszek Smuda, back, talks to Ludovic Obraniak, front, during the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece in Warsaw, Poland, Thursday, June 7, 2012. (AP Photo/Gero Breloer)

Poland's coach Franciszek Smuda, left, and Ludovic Obraniak joke each other on the matchday -1 training on the eve of the opening match of the Euro 2012 soccer championship Group A match between Poland and Greece at the national stadium of Warsaw, Poland, on Thursday, June 7, 2012. (AP Photo/Thanassis Stavrakis)