Alexander Yerokhin was born on 13 October 1989 in Barnaul. He began his career at Lokomotiv Moscow before signing his first professional contract with the Sheriff in Moldova. While at the Chisinau club he won the league title twice and the Moldavian Cup twice.

In December 2010, Yerokhin moved to Krasnodar before joining SKA-Energia Khabarovsk in January 2013. Six months later, he went to Ural on loan, who later signed the midfielder on a permanent contract.

In January 2016 he joined Rostov and there he won a runners-up medal in the Russian Championship. Yerokhin made his international debut on 31 August 2016, and has won 11 caps for Russia, including playing at the FIFA Confederations Cup.

Dmitry Poloz was born on 12 July 1991 in Stavropol. He also began his career at Lokomotiv Moscow, playing one game for the railwaymen in July 2009.

In January 2012 he moved to Rostov, where he played 156 matches and scored 29 goals, winning a runners-up medal in the Russian Championship and also winning the Russian Cup.

Poloz made his international debut in September 2014 and has played 13 matches for the Russian national team (including at the Confederations Cup) and has scored one goal.

Zenit welcome both Dmitry Poloz and Alexander Yerokhin to St. Petersburg and wish them all success possible and to do well in the blue-white-sky blues first team!