Ramírez fought against Eric Donovan on the undercard of Josh Taylor vs. Jack Catterall on 26 February 2022. In the opening round, Ramírez knocked his opponent down after landing a left hand. During the second round, Donovan suffered a cut over his right eye after Ramírez landed a left uppercut. Ramírez started pressuring his opponent in the third round and eventually hit Donovan with a hard left hook which put him against the ropes. Ramírez immediately followed this up with another left hand which knocked Donovan down for a second time. Following the second knockdown, the referee called an end to the bout immediately. On 18 June 2022, Ramírez faced Abraham Nova, on the undercard of. In the opening moments of the third round, Nova landed a right hand which knocked Ramírez off balance. Towards the end of the third round, Ramírez hurt his opponent after landing two heavy left hands. In the fifth round, Ramírez landed a powerful straight left hand to the head of Nova which sent him to the canvas. Ramírez was declared the winner by knockout after the referee promptly ended the bout following the knockdown. Ramirez fought Jose Matias Romero on 29 October 2022. He won the fight by 9th round technical knockout.
