Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Giedrius Barevi ius (born 9 August 1976) is a Lithuanian footballer, currently playing for FK algiris Vilnius. In association football, a midfielder is a position. Some midfielders play a more defensive role, while others blur the boundaries between midfielders and forwards. The number of midfielders a team uses during a match may vary, depending on the team's formation and each individual player's role. The group of midfielders in a team is called the midfield.