All Elite Wrestling have announced that MJF will put his AEW American Championship on the line against Will Ospreay as part of the AEW All In: London pay-per-view on Sunday, August 25th.

Previously announced for the event:

— Swerve Strickland (c) vs. Bryan Danielson for the AEW World Championship.

— “Timeless” Toni Storm (c) vs. “The Glamour” Mariah May for the AEW Women’s World Championship.