
The NCAA Division I men's basketball tournament, also known as March Madness or The Big Dance, is a single-elimination tournament played in the United States to determine the men's college basketball national champion. The tournament consists of 68 teams and was first held in 1939. Over the years, the tournament has seen various changes, including the addition of a rule in 1971 that banned teams from participating in other post-season tournaments if they declined an invitation to the NCAA tournament. The tournament has also faced controversies, such as the University of Michigan basketball scandal in 1992 and the Syracuse University athletics scandal, impacting the participation and records of several teams.
| Characteristics | Values |
|---|---|
| Name | NCAA Division I men's basketball tournament |
| Nicknames | March Madness, The Big Dance |
| Year of commencement | 1939 |
| Number of teams | 68 |
| Previous number of teams | Varied from 8 to 53 |
| Previous number of teams (before 2011) | 64 |
| Year of expansion to 68 teams | 2011 |
| Year of expansion to 65 teams | 2001 |
| Year of cancellation due to COVID-19 | 2020 |
| Location | United States |
| Level | Division I |
| Governing body | National Collegiate Athletic Association (NCAA) |
| Frequency | Annual |
| Scandal-affected teams | University of Michigan, Syracuse University |
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What You'll Learn

How the 68 teams are selected
The NCAA Division I men's basketball tournament, also known as March Madness or The Big Dance, is a single-elimination tournament played annually in the United States to determine the men's college basketball national champion at the Division I level of the National Collegiate Athletic Association (NCAA). The tournament consists of 68 teams, a format that was adopted in 2011. The selection process for these 68 teams is as follows:
Selection of the 37 Best At-Large Teams
The first step is to select the 37 best at-large teams. These are teams that did not automatically qualify for the tournament by winning their conference championships but are chosen based on their performance during the season.
Seeding the Field of 68 Teams
Once the 37 at-large teams are selected, the field of 68 teams is seeded. This involves ranking all the teams from 1 to 68, creating a "seed list" that reflects the relative strength of the teams. This seed list is used to assess the competitive balance across the four regions of the championship.
Placing the Teams into the Championship Bracket
The final step is to place the 68 teams into the championship bracket. The Selection Committee, which includes conference commissioners and university athletic directors appointed by the NCAA, determines the bracket during the week before the tournament. The bracket is assembled based on the seed list, with various principles guiding the placement of teams to ensure a balanced and exciting tournament.
Additional Considerations
The Selection Committee aims to avoid rematches between teams from the same conference in the early rounds of the tournament. They also try to ensure that a team is not moved out of their preferred geographical region repeatedly based on their placement in previous tournaments. These considerations may result in adjustments to a team's expected seed position in the bracket.
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The tournament's history of upsets
The NCAA Division I men's basketball tournament is a single-elimination tournament where lower-seeded teams defeating higher-seeded teams is a common occurrence. The NCAA defines an "upset" as a victory by a team seeded five or more lines below its defeated opponent.
The 2023 tournament saw a total of nine upsets, with four in the first round, three in the second round, one in the Sweet Sixteen, and one in the Elite Eight. The 2016 tournament previously held the record for the most upsets in the first round, with eight.
The 2023 tournament also featured a pair of shocking upsets in the first round, with Princeton upsetting Arizona 59-55, and Fairleigh Dickinson defeating Purdue 63-58. This was only the second instance of a No. 16 seed defeating a No. 1 seed in the tournament's history. Princeton advanced to the Sweet 16, where they lost to Creighton.
The University of Maryland, Baltimore County (UMBC) Retrievers made history in 2018 when they became the first 16-seed to upset a 1-seed, defeating the Virginia Cavaliers 74-54. This was also followed by a victory over Purdue by the Fairleigh Dickinson Knights in 2023.
Other notable upsets include Richmond defeating Syracuse in the first round, becoming the first 15-seed to do so. Richmond was also no stranger to causing upsets, having defeated No. 4 Indiana as a No. 13 seed in the 1988 tournament. In 2022, the Saint Peter's Peacocks caused a stir by defeating the powerhouse Kentucky Wildcats, 85-79.
Georgetown holds the unfortunate distinction of being the only team to lose in five consecutive tournament appearances against teams seeded at least five spots lower, from 2008 to 2013.
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The impact of the COVID-19 pandemic
The COVID-19 pandemic significantly impacted the men's basketball tournament, causing disruptions and presenting challenges for players, coaches, and fans alike. Here are some key ways in which the pandemic affected the tournament:
Health and Safety Protocols:
The pandemic brought about strict health and safety protocols to prevent the spread of the virus. This included regular testing, contact tracing, social distancing, and the use of masks and other personal protective equipment. These measures were implemented to protect the players, coaches, and staff, but they also presented logistical challenges for teams and organizers.
Player Availability and Injuries:
COVID-19 cases and subsequent quarantines or isolations impacted player availability. Teams had to navigate roster changes and deal with players missing games or practices due to infection or exposure. Additionally, the pandemic disrupted training schedules and affected player fitness and performance. Some players may have experienced long COVID symptoms, impacting their ability to return to play.
Schedule Changes and Cancellations:
The pandemic caused schedule adjustments, with game postponements and cancellations occurring due to COVID-19 outbreaks within teams or league-wide pauses to reassess safety protocols. These changes disrupted the usual flow of the tournament, affected seeding and rankings, and presented challenges for rescheduling games.
Limited Fan Attendance and "Bubble" Environments:
To minimize the risk of virus transmission, many games were played without fans or with limited fan attendance. This deprived players of the usual home-court advantage and the energy of a packed arena. In some cases, "bubble" environments were created, where teams were isolated and played games in controlled settings without fans.
Financial Implications:
The pandemic had financial repercussions for the men's basketball tournament and the sports industry as a whole. Reduced fan attendance and sponsorship opportunities impacted revenue streams. Additionally, the cost of implementing health and safety protocols and the potential for lost revenue due to game cancellations created financial challenges for teams, leagues, and associated businesses.
Mental Health and Wellbeing:
The pandemic took a toll on the mental health and wellbeing of players, coaches, and staff. The stress and anxiety associated with the health risks, isolation, and uncertainty surrounding the tournament took a psychological toll. Additionally, the disruption to regular routines, the inability to connect with fans, and the pressure of performing under unusual circumstances all contributed to mental health challenges.
It is worth noting that the impact of the COVID-19 pandemic on the men's basketball tournament extended beyond the scope of these paragraphs. The pandemic influenced strategic decisions, player development, and the overall landscape of the sport. The resilience and adaptability of those involved in the tournament were tested, and the road to recovery and resumption of regular operations was a gradual process.
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The 1992 University of Michigan scandal
Martin, a retired Ford Motor Company electrician, was involved in an illegal gambling operation and made payments to several players, including Chris Webber, Robert Traylor, Maurice Taylor, and Louis Bullock, to launder money. Between 1988 and 1993, Martin paid Webber a total of $280,000. From 1994 to 1998, he gave Traylor approximately $160,000. Taylor received around $105,000 between 1995 and 1998, and Bullock was given about $71,000 during his four years at Michigan, ending in 1999.
The scandal came to light by chance when an investigation into a car accident involving Michigan player Maurice Taylor revealed a suspicious relationship between Taylor and Martin. An initial inquiry by the university was joined by the NCAA, the Big Ten Conference, the FBI, the IRS, and the US Department of Justice.
As a result of the scandal, Michigan's basketball programme was punished with sanctions. The university vacated its two Final Four games in 1992 and its entire NCAA tournament record in 1993, 1996, and 1998. Banners commemorating these achievements were removed from Crisler Arena, and all mention of Webber, Taylor, Traylor, and Bullock was deleted from the school's athletic records.
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The 1970s rule changes
The 1970s were a transformative period for the NCAA Division I men's basketball tournament, with several significant rule changes shaping the competition.
One notable change occurred in 1971 when the NCAA introduced a rule barring teams from participating in other post-season tournaments if they declined an invitation to the NCAA tournament. This was a response to Marquette's decision to decline their invitation to the 1970 tournament, opting instead to compete in the NIT, which they won. From that point on, the NCAA tournament solidified its position as the premier post-season tournament, attracting conference champions and the majority of top-ranked teams.
Another important development during this period was the expansion of the tournament field. In 1975, the NCAA allowed multiple teams from a single conference to participate. This change addressed the issue of highly ranked teams being denied bids due to their conference affiliation. The University of Texas's inclusion in the 1974 tournament despite a lacklustre record highlighted the need for this adjustment.
The 1970s also witnessed the introduction of the modern 3-point line, adding a new layer of strategy and excitement to the game. While the exact timeline of this rule change is unclear, it occurred at some point during the decade, further contributing to the evolution of the game.
The decade also saw a gradual increase in the tournament's popularity, with growing fan interest, media attention, and revenue generation. The tournament's prestige grew, and by the end of the 1970s, the phenomenon known as ""March Madness"" was born, reflecting the excitement and enthusiasm surrounding the competition.
These rule changes during the 1970s played a pivotal role in shaping the NCAA Division I men's basketball tournament, enhancing its competitiveness, fairness, and appeal to a wider audience.
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Frequently asked questions
68 teams participate in the tournament.
The tournament was first conducted in 1939.
The current format of 68 teams was adopted in 2011.
The tournament is branded as March Madness or The Big Dance.
Louisville's participation in the 2013 tournament was later vacated by the Committee on Infractions.









































