Overview
UFC Fight Night 161: Joanna vs. Waterson was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 12, 2019 at Amalie Arena in Tampa, Florida. A women's strawweight bout between former UFC Women's Strawweight Champion Joanna Jędrzejczyk and former Invicta FC Atomweight Champion Michelle Waterson served as the event headliner.
| Actor | Age then | Age now | |
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 | 33 | 39 | |
 | 35 | 41 | |
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 | 30 | 35 | |
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 | 29 | 35 | |
 | 26 | 32 |