Diame comes into the side to face his former club, while Hernandez comes in up front as the only two changes to the side that lost to Aston Villa last time out.
Meanwhile, there are three changes for West Ham from the side that lost 3-1 to Southampton last month.
Hull City: McGregor, Elmohamady, Robertson, Davies, Dawson, Huddlestone, Livermore, Diame, Quinn, Jelavic, Hernandez
Subs: Harper, Rosenior, Chester, Meyler, Brady, Ramirez, Ben Arfa
West Ham: Adrian, Demel, Cresswell, Tomkins, Reid, Kouyate, Noble, Zarate, Downing, Sakho, Valencia
Subs: Jaaskelainen, Jenkinson, Collins, Song, Vaz Te, Amalfitano, Cole
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