Lightweights Erik Koch, Ramsey Nijem, Rustam Khabilov and Danny Castillo have been signed to the upcoming UFC on FOX 16 card, according to multiple reports.

Set for July 25 from Chicago’s United Center, the card will feature T.J. Dillashaw defending his bantamweight belt vs. Renan Barao.

Koch (14-4) suffered a loss to Daron Cruickshank most recently, while Nijem (9-5) is also coming off a loss vs. Carlos Diego Ferreira.

Khabilov (17-3) opened his UFC run with a 3-0 record, but has suffered back-to-back losses to Benson Henderson and Adriano Martins since. Castillo (17-8) is just 1-3 in his last four, including two straight defeats.

Below is the current lineup:

UFC Bantamweight Championship
T.J. Dillashaw (c) vs. Renan Barao

Lightweight: Anthony Pettis vs. Myles Jury

Female Bantamweight: Miesha Tate vs. Jessica Eye

Lightweight: Erik Koch vs. Ramsey Nijem

Lightweight: Rustam Khabilov vs. Danny Castillo