Boyce was the first man to take eight wickets in a List A match; he achieved the feat when he took 8–26 for Essex against Lancashire in 1971.

No other player dismissed eight batsmen in a one-day innings until Kent's Derek Underwood claimed 8–31 against Scotland sixteen years later.

In the first innings of his Essex debut against Cambridge University in 1966 he took 9 for 61, which turned out to be the best bowling figures of his career.

In that innings, Boyce's future West Indies teammate Deryck Murray scored 58 (not out) in the university's total of 127.

[4] He died from the effects of chronic cirrhosis of the liver, while sitting in a chair at a pharmacist's in Speightstown, Barbados, on his birthday on 11 October 1996.