Valentina Shevchenko calls for UFC to sign Rizin champion Radjabali Shaidullaev

Valentina Shevchenko is advocating for the UFC to sign Radjabali Shaidullaev, the current Rizin champion in the 66kg division. Shaidullaev is 25 years old and holds an undefeated record of 19-0. The post expresses support for Shevchenko's call to bring the Rizin champion into the UFC. Details about Shaidullaev's recent performances or what prompted Shevchenko's endorsement are limited in the original post.