Head-to-head records
The extremes across every league: the streaks nobody could break, the series that are not close and the rivalries that never settle. Each row links to the full matchup page. Want to test yourself? Try the rivalry quiz.
Longest winning streaks
The most straight wins one side ever strung together against the other. A tie ends a streak. Top of the list: Yale Bulldogs won 46 straight against Wesleyan (CT), 1875 to 1913 (College Football).
Longest active streaks
Still going: winning streaks that include the latest meeting of a series both teams are still playing. Longest still going: Clemson Tigers have won 33 straight over Furman Paladins, 1938 to 2025 (College Football).
Most lopsided series
The biggest all-time leads, by winning percentage, among series with plenty of meetings. Most one-sided: Yale Bulldogs leads Wesleyan (CT) 46-0, winning 100.0% of 46 meetings (College Football).
| # | Series | Record | Win % |
|---|---|---|---|
| 1 | Yale Bulldogs vs Wesleyan (CT) | 46-0 | 100.0% |
| 2 | Harvard Crimson vs Williams | 30-0 | 100.0% |
| 3 | Dartmouth Indians vs Norwich | 24-0 | 100.0% |
| 4 | LSU Tigers vs Louisiana-Lafayette | 24-0 | 100.0% |
| 5 | Princeton Tigers vs Stevens | 23-0 | 100.0% |
Closest rivalries
Long series where neither side has pulled away: the closest to a 50-50 record. Each team appears once. Closest of all: Detroit Pistons and Indiana Pacers, 118-118 after 236 meetings (NBA).
| # | Series | Record | Win % |
|---|---|---|---|
| 1 | Detroit Pistons vs Indiana Pacers | 118-118 | 50.0% |
| 2 | Chicago Blackhawks vs Edmonton Oilers | 84-84-12 | 50.0% |
| 3 | Los Angeles Kings vs Toronto Maple Leafs | 77-77-21 | 50.0% |
| 4 | Chicago Cubs vs Chicago White Sox | 82-82 | 50.0% |
| 5 | New York Knicks vs Utah Jazz | 56-56 | 50.0% |
Most lead changes
The series where the all-time lead has changed hands the most times. Los Angeles Dodgers and Cincinnati Reds have traded the lead 38 times (MLB).
| # | Series | Lead changes |
|---|---|---|
| 1 | Los Angeles Dodgers vs Cincinnati Reds | 38 |
| 2 | Tampa Bay Rays vs Baltimore Orioles | 25 |
| 3 | Boston Red Sox vs Detroit Tigers | 22 |
| 4 | San Francisco Giants vs Cincinnati Reds | 21 |
| 5 | Los Angeles Angels vs Minnesota Twins | 21 |
Biggest blowouts
The largest winning margins in a single game. Forfeits and vacated results never count. Biggest margin: Georgia Tech Yellow Jackets beat Cumberland 222-0 on Oct 7, 1916 (College Football).
| # | Game | Score |
|---|---|---|
| 1 | Georgia Tech Yellow Jackets over Cumberland | 222-0 |
| 2 | Oklahoma Sooners over Kingfisher | 179-0 |
| 3 | Stevens over City College of New York | 162-0 |
| 4 | Harvard Crimson over Exeter | 158-0 |
| 5 | Oklahoma Sooners over Kingfisher | 157-0 |
Longest gaps between meetings
The longest stretch two teams went without playing, while both were still playing other opponents. Longest wait: Arkansas Razorbacks and Kansas Jayhawks went 116 years between meetings, 1906 to 2022 (College Football).
Records include games through Oct 27, 2026.
Sources
Records are computed from every final game result in the Matchup Index database. About the data.