Trevor Chappell few days later [Austin] Robinson, Dennis' manager, rang and said, "Do you want to join World Series Cricket" and I said, "Yeah, where do I sign?"" In 1977–78 Chappell played ten games for WSC Australia in the Country Cup, scoring 339 runs, more than any other Australian batsman, although his average was only 26. A highlight was a 110 he scored against the West Indies in Albury. He also scored 56 off 300 minutes against a World XI in a Lismore game which resulted in him being booed by the crowd for slow scoring. "Trevor Chappell batted exceptionally well and
Greg Chappell centuries in both innings, the only such instance. Greg's effort of 380 runs in a Test match (247* and 133) remained a record until beaten by Graham Gooch in 1990. Unfortunately for Chappell, his health was now blighted by recurring tonsillitis and he found it difficult to bat for long periods during the 1974–75 Ashes series. He was the backbone of Australia's sometimes inconsistent batting, scoring 608 runs at 55.3. At Sydney, where Australia won to reclaim the Ashes, Chappell dominated with 84 and 144, which he followed up with a century in a losing cause in the sixth Test