Martin Keown, a former Arsenal defender, described his performance as "outstanding" and "magnificent throughout." Koscielny was engaged in a mix-up with his goalkeeper Wojciech Szczesny in the last minute of the 2011 Football League Cup Final on February 27, 2011, which ended in Birmingham City striker Obafemi Martins scoring the winning goal. Koscielny had made several important saves during the match and was involved in another incident where he scored a own goal while trying to clear the ball. He became the first player ever to score an own goal and win the League Cup. After retiring from playing football, Koscielny took up a coaching role with Arsenal's youth team. He has also been included in Arsène Wenger's squad for some UEFA matches this year. He won the PFA Players' Player of the Year award in 2011 and 2012 and the French National Team captain has led his country to third place in the UEFA European Championship in 2012 and 2016. Koscielny began his career with French club Saint-Étienne before moving to Arsenal in 2006 for €5 million ($6.4 million). He has since gone on to win two FA Cups with the Gunners and one League Cup. During his time at Arsenal, he has played in almost every position across the back line except center back. He is known for his energy and ability in big games.