1.
Miami Dolphins over Buffalo Bills – 20 games – 1970-1980The longest winning streak over a single opponent took place across the entirety of the 1970’s with Miami Dolphins, who were one of the dominant teams of that decade, having the number of their division rivals, the Buffalo Bills.
Miami won all 20 meetings between the two teams in the AFC East, starting in 1970 and running until September 1980. The Bills’ first win over the Dolphins after that 20-game losing streak saw wild scenes in which the home fans rushed the field and tore down one of the goalposts.
Miami won two Super Bowls throughout the time of this domination of their rivals.
3.
San Francisco 49ers over Los Angeles/St Louis Rams – 17 games – 1990-1999The San Francisco 49ers dominated their rivals the Los Angeles Rams during the 1990s, winning 17 straight games across the decade to consistently get the better of their opponents.
The Rams moved to St Louis in 1995 but that did not stop the rivalry or the 49ers domination, San Francisco went from 1990 until October 1999 winning every single one of their games against the Rams.
The battle between the two teams has intensified since the Rams’ 2016 relocation back to Los Angeles.
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