. >> hockey player natascha keller is set to carry the flag at the opening games. >> basketball player dirk nowitski had the honor in 2008 and assured keller the flag is not that heavy. at the keller came across as rather shy at the press conference, but she has seen a lot of action in her career -- >> keller came across as rather shy at the press conference, but she has seen a lot of action in her career. in 2004, she even took gold. >> it is a great honor to walk in front carrying the flag. i am really happy, especially because everyone else is so happy. >> that keller has been selected as flag bearer reflects a growing interest in hockey in germany. she comes from a long line of hockey players. both her father and brother had taken olympic gold. >> the team will be proud to line up behind her. she is never full of herself. she is modest and performance- oriented at the same time. >> friday's opening ceremony will be a big occasion for keller, and there are high hopes her team may win a medal at the london games. >> former heavyweight boxing champion muhammed ali join soccer star dav