Former volleyball international Pavel Moroz is among the latest batch of competitors sanctioned by the Russian Anti-Doping Agency (RUSADA) after testing positive for banned drugs.
The 32-year-old, who represented Russia 22 times between 2012 and 2015, failed a test for cocaine and has been suspended for 18-months, dated back to November 12 last year when he gave the sample.
The Ukrainian-born player is best known for his big serve and represented several clubs in Russia and also played for a brief period in South Korea.
"Pavel Moroz has been disqualified for 18 months for violating provision 2.1 of the All-Russia Anti-Doping Rules and the decision comes into force starting November 12, 2018," RUSADA announced in a press release and reported by Russia's official state news agency TASS.
"The penalty is imposed over the consumption of stimulators, which do not belong to special S6a medications.
"The doping sample of the athlete tested positive for banned substance cocaine."
Other Russians banned by RUSADA include 49-year-old cyclist Tatyana Panina, who has received a six-month sanction.
Panina's most notable result came in 2006 when she finished second in the road race at the Russian National Championships.
She has represented Belarus since 2010 having also previously rode for Moldova before switching allegiance to Russia.
At the other end of the age spectrum, 18-year-old basketball player Pavel Metelev, who represents Yenisei Krasnoyarsk, has been banned for three months following a positive test for a stimulant.
Cross-country skier Sergei Korsakov has been banned for four years.
The suspension of the 38-year-old has been backdated to September 4 last year.