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Moxley started working for Dragon Gate USA (DGUSA) in 2009, and on November 28, he defeated B-Boy via submission in a dark match.
Moxley continued to work for Dragon Gate USA in 2010, and on January 23, he defeated Darin Corbin in a dark match.
Later that night, he attacked Lacey until Tommy Dreamer made the save.
Moxley then teamed up with Brian Kendrick on March 26 in a match against Paul London and Jimmy Jacobs in which Moxley and Kendrick won.
Following the match Kendrick and London put Moxley through a table.
On March 27, Moxley made his pay-per-view debut with Dragon Gate USA in Phoenix, Arizona, facing Dreamer in a hardcore match taped for Mercury Rising, which Moxley won.
At the May 8 Uprising pay-per-view taping in Mississauga, Ontario, Canada Moxley suffered an injury where his left nipple was nearly severed during a match with Jimmy Jacobs.
At Freedom Fight, which aired on January 7, 2011, Moxley and Akira Tozawa were defeated by Homicide and Open the Freedom Gate Champion BxB Hulk in a tag team match.