Nicholson's best seasons were 1966 and 1967 when, usually opening the bowling with Fred Trueman, he took over 100 wickets and played a key role in Yorkshire's title wins. Despite his successful county career, he never played Test cricket.
Nicholson demonstrated his best performances in 1966 and 1967, frequently leading the bowling attack with Fred Trueman, amassing over 100 wickets and playing an essential role in Yorkshire's championship victories. Despite these accomplishments, he never had the opportunity to play Test cricket.