Complex sentence: The next three seasons were just as dreadful as the first one as the Tigers finished last in each of those three seasons making a total of 5 straight (counting the one season as the Bulldogs) with last place finishes.
Split into simpler sentences: The next three seasons were just as dreadful as the first one. The Tigers finished dead last every year, making a total of 5 straight (counting the one season as the Bulldogs) with last place finishes.