Tournament Index: Dark Horses
Dark Horses

Teams eligible for the “Dark Horse” tag are any seeds that fall between the 5-11 seed lines. Since 2013, 50 teams have been tabbed “Dark Horses” by Tournament Index out of a possible 280 teams, which equates to approximately exactly five “Dark Horses” per tournament.
Using wins expectation by seed, the 50 teams were projected to win a combined 42.7 tournament games. Instead, the “Dark Horse” teams won a combined 66 tournament games, significantly exceeding expectations. Some previous “Dark Horse” selections include 7-seed UConn and 8-seed Kentucky that met in the 2014 championship, 7-seed Michigan State that reached the 2015 Final Four and 2021 USC and 2023 Creighton that advanced to the Elite Eight as a 6-seed.
To be chosen as a “Dark Horse,” a team’s Elite Eight probability must be at least one standard deviation above what an average team at that seed line would be expected to have.
| Seed | Avg. Elite Eight Likelihood | “Dark Horse” Probability Threshold |
| 5 | 12.9% | 19.1% |
| 6 | 11.0% | 16.5% |
| 7 | 8.6% | 13.4% |
| 8 | 6.0% | 9.7% |
| 9 | 3.6% | 6.0% |
| 10 | 3.8% | 6.3% |
| 11 | 4.4% | 8.4% |
Tournament Index Dark Horse history
Orange highlight denotes team exceeded performance against seed expectation.
- 2024
- 9-Michigan State (2nd Round)
- 5-Gonzaga (Sweet 16)
- 10-Colorado (Sweet 16)
- 2023
- 5-Duke (2nd Round)
- 6-Creighton (Elite Eight)
- 6-Kentucky (2nd Round)
- 8-Arkansas (Sweet 16)
- 9-Auburn (2nd Round)
- 10-Utah State (1st Round)
- 10-USC (1st Round)
- 2022
- 5-Houston (Elite Eight)
- 5-Iowa (1st Round)
- 9-Memphis (2nd Round)
- 11-Michigan (Sweet 16)
- 2021
- 5-Villanova (Sweet 16)
- 5-Tennessee (1st Round)
- 6-USC (Elite Eight)
- 6-Texas Tech (2nd Round)
- 9-Wisconsin (2nd Round)
- 2019
- none
- 2018
- 5-Kentucky (Sweet 16)
- 10-Butler (2nd Round)
- 2017
- 5-Virginia (2nd Round)
- 6-SMU (1st Round)
- 7-Saint Mary’s (2nd Round)
- 8-Wisconsin (Sweet 16)
- 10-Wichita State (2nd Round)
- 2016
- 5-Maryland (Sweet 16)
- 5-Purdue (1st Round)
- 6-Notre Dame (Elite Eight)
- 6-Arizona (1st Round)
- 7-Wisconsin (Sweet 16)
- 9-Cincinnati (1st Round)
- 11-Gonzaga (Sweet 16)
- 11-Wichita State (2nd Round)
- 2015
- 5-Utah (Sweet 16)
- 7-Michigan State (Final Four)
- 7-Wichita State (Sweet 16)
- 10-Ohio State (2nd Round)
- 11-Texas (1st Round)
- 2014
- 6-North Carolina (2nd Round)
- 6-Ohio State (1st Round)
- 7-UConn (National Champion)
- 8-Kentucky (National Runner-Up)
- 9-Pittsburgh (2nd Round)
- 9-Oklahoma State (1st Round)
- 11-Tennessee (Sweet 16)
- 2013
- 5-Wisconsin (1st Round)
- 6-Arizona (Sweet 16)
- 8-North Carolina (2nd Round)
- 8-Pittsburgh (1st Round)
- 8-NC State (1st Round)
- 9-Missouri (1st Round)
- 10-Colorado (1st Round)
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