Career
He is a 187 cm (6 ft 2 in) point guard. Koszarek has spent his entire career in the Polish Basketball League. He made his debut for Polonia Warbud Warszawa in 2003-2004, seeing limited action off the bench for the team
However, the following year, he saw significantly more action, averaging 11.6 points and 4.8 assists per game in leading the team to a third-place finish in the league.
In 2008-2009 season, he averaged 13.9 points and 6.1 assists per game for fourth-place Anwil Włocławek. In the summer of 2013, he signed with Stelmet.
He was selected to the national team for the first time at Eurobasket 2007. He was also selected to play for the host Polish team at the Eurobasket 2009, where he ranked fifth on the team in points, fourth in rebounds, and second in assists.
Club Individual.
