In this Legislature, 60 congressmen jump parties

https://www.eleconomista.com.mx/politica/En-esta-Legislatura-saltan-60-congresistas-de-partido-20210119-0004.html

https://www.eleconomista.com.mx/politica/En-esta-Legislatura-saltan-60-congresistas-de-partido-20210119-0004.html