Israel adesanya retains ufc middleweight championship after beating romero

I think there may be some misinformation here!

Israel Adesanya did not retain the UFC Middleweight Championship against Yoel Romero. In fact, Adesanya lost the fight via unanimous decision (48-47, 48-47, 49-46) at UFC 248 on March 7, 2020.

Adesanya was the reigning Middleweight Champion at the time, and Romero was the challenger. Despite being the favorite to win, Adesanya struggled with Romero's aggressive style and was unable to finish the fight. The loss was Adesanya's first in the UFC.

So, to correct your statement, Israel Adesanya did not retain the UFC Middleweight Championship against Yoel Romero.