Guillard is in custody at the Harris County Jail in Houston after violating the terms of his probation for a 2007 drug charge, though details on the violation haven’t been disclosed. He will reportedly be released to a drug treatment facitily soon.
The UFC lightweight previously received a nine-month suspension from the Nevada State Athletic Commission after testing positive for cocaine following his UFC Fight Night 9 loss to Joe Stevenson in early-2007.
Guillard was to fight Spencer Fisher at UFC 90 “Silva vs. Cote” on October 25th in Chicago. Fisher will instead face Shannon Gugerty at the pay-per-view event.