Conversation so far:
What was Malcolm Marshall's highest acheivement?
At the peak of his career, he turned down an offer of US$1 million to join a rebel West Indies team on a tour to South Africa.
How did he get his start in his career?
Marshall made his Test debut in the Second Test at Bangalore on 15 December 1978.
What was his first big success?
but an excellent 1982 season when he took 134 wickets at under 16 apiece, including a career-best 8-71 against Worcestershire.
Most noticeable aspect of international debut?
a career-best 8-71 against Worcestershire, saw him recalled and thereafter he remained a fixture until the end of his international career.
Notable matches or countries played in?
His most productive series in this period was the 1983/84 rubber against India.

Question: Highest achievement?
Self-contained rewrite: What was Malcolm Marshall's highest achievement?