Complex sentence: In his second season he scored 10 league goals helped York win promotion to the recently created Third Division but the Minstermen lasted only one season before being relegated and midway through the 1960-61 season he was transferred to First Division side Nottingham Forest for £12,000.
Split into simpler sentences: In his second season his 10 league goals helped York win promotion to the recently created Third Division. Midway through the 1960-61 season he was transferred to Nottingham Forest, then in the First Division, for £12,000.