Ti dage efter kampen mod Phillips, mødte Chimaev nykommeren Rhys McKee den 25. juli 2020 på UFC på ESPN 14.<ref>{{Cite web|url=https://mmajunkie.usatoday.com/2020/07/ufc-on-espn-14-khamzat-chimaev-rhys-mckee|title=Khamzat Chimaev gets quick turnaround, faces debuting Rhys McKee at UFC on ESPN 14|publisher=mmajunkie.com|date=2020-07-19}}</ref> Chimaev vandt kampen med teknisk knockout i første runde.<ref>{{Cite web|url=https://mmajunkie.usatoday.com/2020/07/ufc-on-espn-14-results-khamzat-chimaev-history-shortest-turnaround-fights-wins|title=UFC on ESPN 14 results: Khamzat Chimaev makes history with second UFC win in 10 days|publisher=mmajunkie.com|date=2020-07-25}}</ref><ref>{{Cite web|url=https://www.espn.in/mma/story/_/id/29531455/ufc-fight-island-results-fabricio-werdum-khamzat-chimaev-make-statements|title=UFC Fight Island results -- Fabricio Werdum, Khamzat Chimaev make statements|publisher=espn.in|date=2020-07-26}}</ref> Han fik sin anden ''Performance of the Night'' bonuspris.<ref>{{Cite web|url=https://mmajunkie.usatoday.com/2020/07/ufc-on-espn-14-bonuses-khamzat-chimaev-second-in-10-days|title=UFC on ESPN 14 bonuses: Khamzat Chimaev's second in 10 days among six on the night|publisher=mmajunkie.com|date=2020-07-26}}</ref> Denne sejr var også en ny UFC rekord for hurtigste sejre i træk i moderne UFC historie (10 dage).<ref>{{Cite web|url=https://www.fightmag.com.au/2020/07/26/ufc-fight-island-3-results-khamzat-chimaev-defeats-rhys-mckee/|title=NEW UFC RECORD: Khamzat Chimaev scores 2 wins in 10 days on Fight Island|publisher=fightmag.com.au|date=2020-07-26|access-date=20. september 2020|archive-date= 4. september 2020|archive-url=https://web.archive.org/web/20200904004153/https://www.fightmag.com.au/2020/07/26/ufc-fight-island-3-results-khamzat-chimaev-defeats-rhys-mckee/|url-status=dead}}</ref>
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