Complex sentence: Jones signed for Division One club Crystal Palace during the 1989/90 season, but failed to make an appearance before dropping down to Division Two to sign for Bristol City in 1990.
Split into simpler sentences: Jones signed for Division One club Crystal Palace during the 1989/90 season, but failed to make an appearance before departing at the end of the season. Jones dropped down to Division Two to sign for Bristol City in 1990.