 He also made a return to K-1 and competed in the "K-1 World Grand Prix 2004 in Las Vegas I" tournament on April 30, 2004.Against Michael McDonald in the quarter-finals, he dropped the Canadian in round one but was then floored three times himself in round two to lose by TKO.In his third and final outing in the promotion, Eastman fought Ray Sefo in a non-tournament bout at the "K-1 World Grand Prix 2004 in Las Vegas II" on August 7, 2004.