A three-pack of fights have been added to UFC 253, including the return of Diego Sanchez.
Sanchez (30-12-0) has won three of his last four in the UFC, with those wins coming over Craig White, Mickey Gall and a disqualification over Michel Pereira. Matthews (16-4-0) enters the bout riding a two-fight winning streak, defeating Rostem Akham and Emil Meek.
Young (13-4-0) has won two of three in the UFC thus far. He beat the duo of Rolando Dy and Austin Arnett. Landwehr (14-3-0) is looking to build off the momentum of his first UFC win over Darren Elkins at UFC Fight Night: Overeem vs. Harris.
Riddell (8-1-0) is undefeated thus far under the UFC banner, picking up wins over Jamie Mullarkey and Magomed Mustafaev. Da Silva (21-2-0) has one sole UFC victory over Rodrigo Vargas at UFC Fight Night Uruguay.
UFC 253 takes place on Saturday, September 26. A UFC middleweight title fight between Israel Adesanya and Paulo Costa will headline the card. Fightful is providing live coverage of the event, which streams live on ESPN+ pay-per-view.