Kimbo Slice and Ken Shamrock both failed drug tests at Bellator 149, multiple unidentified sources told MMAfighting.com.
Each had unknown banned substances in his system, according to the results of pre-fight drug tests at the Feb. 19 bout in Houston.
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The Texas Department of Licensing and Regulation has placed Slice and Shamrock on administrative suspensions pending an adjudication process, the report says. The maximum penalty for fighters who fail drug tests in Texas is a 90-day suspension and $5,000 fine.