The new bout was added over the weekend by UFC officials with verbal agreements in place from the 135-pound participants.
Since debuting in the UFC, Mike Easton has kept a perfect record winning his first three fights in a row. In his last fight, Easton defeated veteran Ivan Menjivar by decision at UFC 149 in July.
Facing Easton in Seattle will be Team Alpha Male fighter T.J. Dillashaw.
While Dillashaw came up short in his bid to be The Ultimate Fighter season 14 winner, he's looked very impressive since that time. Dillashaw has won his last two fights in dominant fashion, and now he'll look to add Mike Easton's name to his resume.
Easton and Dillashaw are the latest addition to the UFC on Fox 5 fight card taking place on Dec. 8 from Seattle's Key Arena.
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