March Madness: How to pick NCAA tournament rematches in your bracket
Let's say you're filling out your NCAA tournament bracket and as you're penciling in the matchups all the way to the national championship game, you come across a game between Duke and Michigan State, Purdue and Arizona, or Xavier and Cincinnati. You notice it's a rematch from a regular season matchup. How should you weigh the result from the last time they played?
This scenario happens an average of three or four times per NCAA tournament. Should you pick the winner of the first meeting because that team has obviously proven it can beat that opponent? Or do you take your chances on the loser of the first game because you count on that team studying the film, making adjustments and getting revenge in the postseason?
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Since the 2008 NCAA tournament (excluding matchups in the First Four), there have been 35 tournament games between teams that played each other previously in the same season. In 32 of those instances, the two teams played just once prior to Selection Sunday and the winners of the first matchups are 21-11 (.656) in the rematch.
(There were three tournament games in the last 10 years between teams that had played twice in the regular season or in their conference tournament, and there were no trends to be found in those results.)
If we look even deeper into the data, you should be especially confident in the winner of the regular season matchup also winning in the tournament if the first game was a non-conference bout. The winner of a non-conference game that plays the same opponent in the NCAA tournament is 18-7 (.720) in the rematch in the last 10 seasons.
On the other hand, it's a toss-up if two conference foes play once prior to Selection Sunday, then meet again in the tournament. The losers of the first meetings are 4-3 in NCAA tournament rematches.
You might be asking yourself how much of a difference it makes to pick the correct winners in these rematches. Starting with the Round of 64, there are 63 games in the NCAA tournament, so how much of a difference could three or four games really make?
Since the NCAA tournament selection committee does not schedule first round matchups between conference foes and tries to avoid regular-season rematches of non-conference teams in the first round, these rematches usually happen in the second or third weekend of the tournament. Three of the last 10 national championship games were rematches of a regular season matchup. In each case, the team that won the regular season game also won the rematch in the national title game.
So using this knowledge to help your picks in later rounds, when games are worth much more than the first two rounds, could make a huge difference in your bracket.
Here's a breakdown of when rematches of regular season games have occurred in the NCAA tournament in the last 10 years.
|Round||Number of Rematches|
|Round of 32||5|
|Round of 64||4|
Here is the complete list of NCAA tournament rematches in the last 10 years between teams that met once prior to Selection Sunday.
|Season||First Matchup||NCAA Tournament Rematch||Round|
|2017||Kentucky def. North Carolina, 103-100||North Carolina def. Kentucky, 75-73||Elite Eight|
|2017||UCLA def. Kentucky, 97-92||Kentucky def. UCLA, 86-75||Sweet 16|
|2017||USC def. SMU, 78-73||USC def. SMU, 66-65||Round of 64|
|2016||Oklahoma def. Villanova, 78-55||Villanova def. Oklahoma, 95-51||Final Four|
|2016||Virginia def. Syracuse, 73-65||Syracuse def. Virginia, 68-62||Elite Eight|
|2016||Duke def. Yale, 80-61||Duke def. Yale, 71-64||Round of 32|
|2015||Duke def. Wisconsin, 80-70||Duke def. Wisconsin, 68-63||National championship|
|2015||Duke def. Michigan State, 81-71||Duke def. Michigan State, 81-61||Final Four|
|2015||Gonzaga def. UCLA, 87-74||Gonzaga def. UCLA, 74-62||Sweet 16|
|2015||UCLA def. UAB, 88-76||UCLA def. UAB, 92-75||Round of 32|
|2015||NC State def. Louisville, 74-65||Louisville def. NC State, 75-65||Sweet 16|
|2014||UConn def. Florida, 65-64||UConn def. Florida, 63-53||Final Four|
|2014||Kentucky def. Louisville, 73-66||Kentucky def. Louisville, 74-69||Sweet 16|
|2014||Arizona def. San Diego State, 69-60||Arizona def. San Diego State, 70-64||Sweet 16|
|2014||Oregon def. BYU, 100-96||Oregon def. BYU, 87-68||Round of 64|
|2013||Duke def. Louisville, 76-71||Louisville def. Duke, 85-63||Elite Eight|
|2013||Marquette def. Syracuse, 74-71||Syracuse def. Marquette, 55-39||Elite Eight|
|2013||Butler def. Marquette, 72-71||Marquette def. Butler, 74-72||Round of 32|
|2013||UNLV def. California, 76-75||California def. UNLV, 64-61||Round of 64|
|2012||Kentucky def. Kansas, 75-65||Kentucky def. Kansas, 67-59||National championship|
|2012||Kansas def. Ohio State, 78-67||Kansas def. Ohio State, 64-62||Final Four|
|2012||Kentucky def. Louisville, 69-62||Kentucky def. Louisville, 69-61||Final Four|
|2012||Indiana def. Kentucky, 73-72||Kentucky def. Indiana, 102-90||Sweet 16|
|2011||UConn def. Kentucky, 84-67||UConn def. Kentucky, 56-55||Final Four|
|2011||UConn def. Cincinnati, 67-59||UConn def. Cincinnati, 69-58||Round of 32|
|2011||North Carolina def. Kentucky, 75-73||Kentucky def. North Carolina, 76-69||Elite Eight|
|2011||Marquette def. Syracuse, 76-70||Marquette def. Syracuse, 66-62||Round of 32|
|2010||Kansas State def. Xavier, 71-56||Kansas State def. Xavier, 101-96||Sweet 16|
|2009||North Carolina def. Michigan State, 98-63||North Carolina def. Michigan State, 89-72||National championship|
|2009||Michigan State def. Kansas, 75-62||Michigan State def. Kansas, 67-62||Sweet 16|
|2009||Louisville def. Morehead State, 79-41||Louisville def. Morehead State, 74-54||Round of 64|
|2009||Villanova def. Pittsburgh, 67-57||Villanova def. Pittsburgh, 78-76||Elite Eight|