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DENVER, CO - JANUARY 28: (L-R) Julianna Pena knees Valentina Shevchenko of Kyrgyzstan in their women's bantamweight bout during the UFC Fight Night event at the Pepsi Center on January 28, 2017 in Denver, Colorado. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)

DENVER, CO - JANUARY 28:  (L-R) Julianna Pena knees Valentina Shevchenko of Kyrgyzstan in their women's bantamweight bout during the UFC Fight Night event at the Pepsi Center on January 28, 2017 in Denver, Colorado. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)

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DENVER, CO - JANUARY 28: Julianna Pena fights Valentina Shevchenko of Kyrgyzstan in the women's Bantamweight division during the UFC Fight Night at the Pepsi Center on January 28, 2017 in Denver, Colorado. (Photo by Matthew Stockman/Getty Images)

DENVER, CO - JANUARY 28:  Julianna Pena fights Valentina Shevchenko of Kyrgyzstan in the women's Bantamweight division during the UFC Fight Night at the Pepsi Center on January 28, 2017 in Denver, Colorado.  (Photo by Matthew Stockman/Getty Images)

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DENVER, CO - JANUARY 28: Julianna Pena fights Valentina Shevchenko of Kyrgyzstan in the women's Bantamweight division during the UFC Fight Night at the Pepsi Center on January 28, 2017 in Denver, Colorado. (Photo by Matthew Stockman/Getty Images)

DENVER, CO - JANUARY 28:  Julianna Pena fights Valentina Shevchenko of Kyrgyzstan in the women's Bantamweight division during the UFC Fight Night at the Pepsi Center on January 28, 2017 in Denver, Colorado.  (Photo by Matthew Stockman/Getty Images)

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DENVER, CO - JANUARY 28: Valentina Shevchenko gets Julianna Peña in an arm bar in their Bantamweight bout during the UFC Fight Night January 28, 2017 at Pepsi Center. Shevchenko defeated Peña on the submission hold in the second round. (Photo By John Leyba/The Denver Post via Getty Images)

DENVER, CO - JANUARY 28: Valentina Shevchenko gets Julianna Peña in an arm bar in their Bantamweight bout during the UFC Fight Night January 28, 2017 at Pepsi Center. Shevchenko defeated Peña on the submission hold in the second round. (Photo By John Leyba/The Denver Post via Getty Images)

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DENVER, CO - JANUARY 28: Valentina Shevchenko of Kyrgyzstan celebrates her submission victory over Julianna Pena in their women's bantamweight bout during the UFC Fight Night event at the Pepsi Center on January 28, 2017 in Denver, Colorado. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)

DENVER, CO - JANUARY 28:  Valentina Shevchenko of Kyrgyzstan celebrates her submission victory over Julianna Pena in their women's bantamweight bout during the UFC Fight Night event at the Pepsi Center on January 28, 2017 in Denver, Colorado. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)