UFC light heavyweigt Jonny Walker made quick work of Ryan Spann in his most recent bout last year. Walker will face former title challenger Thiago Santos in the main event of UFC Vegas 38 on Saturday

Thiago Santos has finished 11 of his 13 UFC wins via knockout, including this performance at UFC 231 against Jimi Manuwa. Santos faces Johnny Walker on Saturday, October 2 at UFC Vegas 38. Subscribe

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Jamahal Hill will make his headline debut against Johnny Walker in the UFC Vegas 48 main event on Saturday, February 19. Subscribe to get all the latest UFC content: http://bit.ly/2uJRzRR Experienc

UFC light heavyweight Johnny Walker made quick work of opponent Ryan Spann at UFC Vegas 11 securing the win via first-round knockout. Walker headlines UFC Vegas 48 next facing Jamahal Hill on Saturda

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