Jul 13, 2016; Sioux Falls, SD, USA; Aleksei Oleinik (red gloves) fights against Daniel Omielanczuk (blue gloves) during UFC Fight Night at Denny Sanford Premier Center. Mandatory Credit: Brad Rempel-USA TODAY Sports Jul 13, 2016; Sioux Falls, SD, USA; Aleksei Oleinik (red gloves) fights against Daniel Omielanczuk (blue gloves) during UFC Fight Night at Denny Sanford Premier Center. Mandatory Credit: Brad Rempel-USA TODAY Sports Jul 13, 2016; Sioux Falls, SD, USA; Aleksei Oleinik (red gloves) fights against Daniel Omielanczuk (blue gloves) during UFC Fight Night at Denny Sanford Premier Center. Mandatory Credit: Brad Rempel-USA TODAY Sports Jul 13, 2016; Sioux Falls, SD, USA; Aleksei Oleinik (red gloves) fights against Daniel Omielanczuk (blue gloves) during UFC Fight Night at Denny Sanford Premier Center.