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Anthony Chiusano | NCAA.com | June 25, 2019

The 25 NCAA baseball champions who went undefeated in College World Series play

College World Series memorable moments

The College World Series uses a double-elimination format, which means there's at least some margin for error for each of the eight qualifying teams.

Only 25 NCAA baseball national champions in 73 years of the College World Series, or 34 percent, have gone undefeated in the tournament en route to clinching a CWS title. The last time it happened was in 2013 when UCLA swept through the bracket.

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Here are the 25 national champions to win every game during their College World Series championship runs:

year school record in cws
2013 UCLA (49-17) 5-0
2012 Arizona (48-17) 5-0
2011 South Carolina (55-14) 5-0
2007 Oregon State (49-18) 5-0
2005 Texas (56-16) 5-0
2002 Texas (57-15) 4-0
2001 Miami (Fla.) (53-12) 4-0
2000 LSU (52-17) 4-0
1999 Miami (Fla.) (50-13) 4-0
1997 LSU (57-13) 4-0
1996 LSU (52-15) 4-0
1995 Cal State Fullerton (57-9) 4-0
1994 Oklahoma (50-17) 4-0
1992 Pepperdine (48-11-1) 4-0
1991 LSU (55-18) 4-0
1983 Texas (66-14) 5-0
1982 Miami (Fla.) (55-17-1) 5-0
1978 Southern California (54-9) 5-0
1973 Southern California (51-11) 5-0
1968 Southern California (43-12-1) 5-0
1961 Southern California (36-7) 5-0
1957 California (35-10) 5-0
1951 Oklahoma (19-9) 4-0
1949 Texas (23-7) 3-0
1947 California (31-10) 2-0

CWS HISTORY: Here are the 11 teams to win the title after losing their first games in the CWS

Twelve different schools have accomplished this feat, led by LSU, Texas and USC, who have each done so four times. 

The College World Series format has shifted a couple times over the tournament's 73-year history, which accounts for the difference in minimum number of games played for the above champions. Here's a brief timeline of changes to the CWS bracket layout:

1947

Eight teams were selected to the inaugural NCAA tournament field, split into two four-team brackets played with single elimination. The two advancing teams advanced to the College World Series, a best-of-three final series.

1948

The only change in Year 2 was making the two original four-team brackets play in double-elimination. Once again, the final two teams advanced to the College World Series, a best-of-three series.

1949

The College World Series field was expanded to four teams, played in double-elimination format.

1950-87

The modern eight-team CWS field was introduced. It stayed in a double-elimination format through the final series.

1988-02

The eight-team field was split into two four-team brackets. The winner of each quadrant advanced to a one-game championship matchup to decide the national title.

2003-current

The current format's only change was making the championship series a best-of-three series between the two winners of each half of the bracket. This means a team can lose twice — once in bracket play, once in the final series — and still win the title.

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Division I
College World Series
June 13-23/24, 2020
TD Ameritrade Park | Omaha, NE

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