Complex sentence: An opportunity to captain was granted in late 1986, when Best was appointed to lead a West Indies B team tour of Zimbabwe, but a recall to the full Test side was not to come until 1990, when he was 30.
Split into simpler sentences: An opportunity to captain was granted in late 1986, when Best was appointed to lead a West Indies B team tour of Zimbabwe,. A recall to the full Test side was not to come until 1990, when he was 30.