The bracketed number to the right of the fighter indicates the fighters prior ranking. These rankings are unofficial as North Star Sports is not affiliated with, sponsored, or endorsed by the UFC.

Middleweight (May 20)Middleweight (December 19)Change
CIsrael AdesanyaCIsrael AdesanyaEVEN
1Robert Whittaker1Robert WhittakerEVEN
2Paulo Costa2Jared Cannonier+1
3Jared Cannonier3Paulo Costa-1
4Darren Till4Marvin Vettori+12
5Yoel Romero5Derek Brunson+3
6Jack Hermansson6Jack HermanssonEVEN
7Kelvin Gastelum7Darren Till-3
8Derek Brunson8Kelvin Gastelum-1
9Edmen Shahbazyan9Uriah Hall+1
10Uriah Hall10Chris Weidman+6
11Omari Akhmedov11Omari AkhmedovEVEN
12Brad Tavares12Edmen Shahbazyan-3
13Ian Heinisch13Ian HeinischEVEN
14Antonio Carlos Junior14Kevin Holland+2
15Krystof Jotko15Khamzat Chimaev+2
   Yoel Romero (Left UFC)-11
   Brad Tavares-4
   Antonio Carlos Junior-2
   Krystof Jotko-1