"There is no senior with 6 months of experience" refers to the fight between Acelino "Popó" Freitas and Kleber Bambam at the FightMusic4 event held on 25-Feb-2024 in São Paulo. Popó is a former professional boxer and fought against Bambam, who is a former BBB participant who trained in boxing for just a few months and challenged him, being knocked out in 36 seconds.
The image shows that there are no senior people with little experience.

On 26-Feb-2024 it was created by Platform and Data Engineer specialist and BJJ fighter Anselmo Borges on Linkedin and in a few hours copied and reposted on Linkedin, Instagram and Twitter. Original post