Liverpool are reportedly keen on acquiring the services of Borussia Dortmund midfielder Jakub Blaszczykowski. The Polish player, whose contract with Dortmund expires in 2011 has rejected Dortmund's offer to extend his stay at the club, increasing speculation that he'll leave the Black yellows in January. According to German magazine Bild, the Reds are interested in signing the man dubbed as the ‘Bundesliga's fastest player'. The 23-year-old, who joined Dortmund from Wisla Krakow in 2007, has played 41 games and scored twice for Jurgen Kloppe's men so far.