Gomi replaces Danny Castillo in facing Vallie-Flagg on the card, which takes place April 26 on pay-per-view in Baltimore.
“The Fireball Kid” (34-9, 1 NC) last competed in the UFC in March of 2013, when he fought to a split-decision loss against Diego Sanchez at UFC on Fuel TV 8. The Japanese fighter had a rough start in the organization, going 1-3 in his first four fights, but he has won two of his last three outings.
Castillo will remain on the fight card, according to UFC officials. A reason for his replacement was not disclosed.
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