Trevor Chappell keep his place in the squad for the finals. In the second final Chappell took 2–21. He is most remembered for what happened in the third final. Chappell became infamous after bowling an underarm delivery when playing for Australia during a match against New Zealand in 1981. The teams were contesting the third final of the Benson and Hedges World Series Cup. New Zealand needed to score six runs to tie the match. Not wanting to risk this, Greg Chappell, Australia's captain and Chappell's brother, asked Trevor Chappell how his underarm bowling was. When Trevor Chappell replied that he didn't
Trevor Chappell to bowl more and his fielding by now was amongst the best in the country; he began to be discussed as an international prospect. At the beginning of the 1980–81 summer Chappell's bowling spell of 3–22 helped NSW defeat Queensland. In November Chappell was selected in the Australian one day side against New Zealand. Australia lost the game. Chappell managed only 12 runs and took 0–21 with the ball. He did not bat or bowl in his second game. Chappell was kept in the team to play India, taking 1–14 and scoring 14. His figures for his next game were