Sidelnikov has been fined $2,500 and suspended until Jan. 18, 2010 by the California State Athletic Commission.
Sidelnikov tested positive for Stanozolol.
The commission also revealed today that former UFC heavyweight Wesley "Cabbage" Correira tested positive for marijuana despite withdrawing from a fight at the Ken Shamrock Productions and WarGods "Valentine's Eve Massacre" event on Feb. 13. Correira has been fined $1,000 and suspended through Aug. 12. At 700 ng/mL, Correira exceeded the cutoff level of 685 ng/mL.