Most Lopsided AFL Rivalries of All Time
The biggest all-time leads, by winning percentage, among series with plenty of meetings. Most one-sided: Kansas City Chiefs leads Denver Broncos 19-1, winning 95.0% of 20 meetings.
| # | Series | Record | Win % |
|---|---|---|---|
| 1 | Kansas City Chiefs vs Denver Broncos | 19-1 | 95.0% |
| 2 | Oakland Raiders vs Denver Broncos | 15-4-1 | 77.5% |
| 3 | San Diego Chargers vs Denver Broncos | 15-5 | 75.0% |
| 4 | Houston Oilers vs Buffalo Bills | 13-7 | 65.0% |
| 5 | New York Jets vs Boston Patriots | 12-7-1 | 62.5% |
| 6 | San Diego Chargers vs Boston Patriots | 11-7-2 | 60.0% |
| 7 | Boston Patriots vs Buffalo Bills | 12-8-1 | 59.5% |
| 8 | Buffalo Bills vs New York Jets | 11-9 | 55.0% |
| 9 | San Diego Chargers vs Oakland Raiders | 11-9 | 55.0% |
| 10 | Kansas City Chiefs vs San Diego Chargers | 10-9-1 | 52.5% |
| 11 | Boston Patriots vs Houston Oilers | 10-9-1 | 52.5% |
| 12 | Kansas City Chiefs vs Oakland Raiders | 11-11 | 50.0% |
How this list works
Series with at least 20 meetings (15 in college football), ranked by the leader's winning percentage (a tie counts as half a win), then by the number of games.
Each row links to the full matchup page, opened on the AFL numbers. Think you know who leads a series? Try the rivalry quiz.
More AFL records
Records include games through Oct 27, 2026.
Sources
Records are computed from every final game result in the Matchup Index database. About the data.