Complex sentence: Joiner graduated from Grambling State University in 1969 and was drafted in the fourth round by the American Football League's Houston Oilers, with whom he played until 1972, when he was traded to Cincinnati.
Split into simpler sentences: Joiner graduated from Grambling State University in 1969 and was drafted in the fourth round by the American Football League's Houston Oilers. Joiner played for Houston until 1972, when he was traded to Cincinnati.