Complex sentence: However, the team finished in 2000 and fell to in 2001, winning their first game but losing their last 15; this performance tied the NFL record for most losses in a single season.
Split into simpler sentences: However, the team finished 7--9 in 2000 and fell to in 2001, winning their first game but losing their last 15. At the time, this tied the NFL record for most losses in a single season.