Dec 30, 2017; Las Vegas, NV, USA; Khalil Rountree lands a kick against Michal Oleksiejczuk during UFC 219 at T-Mobile Arena. Mandatory Credit: Gary A. Vasquez-USA TODAY Sports Dec 30, 2017; Las Vegas, NV, USA; Michal Oleksiejczuk moves in with a hit against Khalil Rountree during UFC 219 at T-Mobile Arena. Mandatory Credit: Gary A.
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UFC 219′s Michal Oleksiejczuk notified of potential anti-doping violation – MMA Junkie