News roundup: Chimaev posts Allen sparring, Tsarukyan discusses RAF value

A digest of recent MMA news includes several notable items. Khamzat Chimaev published additional footage of sparring with Brendan Allen and criticized Ronda Rousey's recent complaints about the UFC, arguing she would be nothing without the promotion. Marlon Moraes posted a photo with Hunter Campbell suggesting paperwork is ready, while Jan Blachowicz underwent successful knee surgery. Arman Tsarukyan claimed that before his three fights, RAF was worth 15 million, but is now valued at 110 million. Alex Pereira posted another video of hard pad work with Glover Teixeira. Francis Ngannou identified fear of losing contracts as the main mistake modern fighters make, revealing some fighters were offered huge money to fight him on Netflix but are bound by unfavorable contractual obligations.