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 his grip on the bat in order to improve his off-side play. Without hesitation, Chappell made the recommended change and at season's end, wrote to the English county team Somerset, asking for a contract to play county cricket to further his development. During two seasons with the county, Chappell scored 2493 first-class runs at a moderate average of 30. Hitherto, Chappell bowled leg spin, but after his growth spurt had found it difficult to land the ball on a consistent length. The green pitches in England encouraged him to experiment with seam-up medium pace, which produced immediate results: he finished