Zenit St Petersburg have sent forward Alexander Kerzhakov on loan to Swiss club FC Zurich until the end of the season, the Russian champions said on their website (www.fc-zenit.ru) on Friday. Kerzhakov, who previously played for Sevilla and Dynamo Moscow, is Zenit's all-time leading scorer with 161 goals in 368 matches. He also holds the all-time record for the most goals for Russia with 30 in 89 internationals. This season has been a disappointing one for Kerzhakov whose contract expires in June.