Complex sentence: Two weeks later, a fight ensued after a Dolphins touchdown in the fourth quarter that Lee to several ejections; the Bills clinched their first playoff berth in 18 years with a win in Miami.
Split into simpler sentences: Two weeks later, a fight ensued after a Dolphins touchdown in the fourth quarter that led to several ejections. After staving off a Dolphins comeback, the Bills clinched their first playoff berth in 18 years with a win in Miami.