Defense is LSU baseball's unsung ingredient for a deep NCAA Tournament run. How the defense has paced the team in Baton Rouge Regional.

LSU (45-14) advances to the regional championship round at 8 p.m. CT Sunday, when the Tigers will face either Dallas Baptist (41-16) or Little Rock (25-33). DBU and Little Rock will meet in an elimination game at 2 p.

Two full days of the NCAA Tournament have already come and gone and 16 teams have officially been eliminated from the mix with at least 16 more set to make their exit throughout Day 3. You can follow along with results from every game here.

LSU baseball faces Little Rock tonight to open up NCAA Baseball Tournament play. Here's everything you need to tune in.

LSU Baseball head coach Jay Johnson reacts to the 12-0 win vs Dallas Baptist Patriots on Saturday night to advance to the NCAA Baton Rouge Regional Championship. LSU will play its next game

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The main differences between the two governing bodies are their size, structure and goals. The NCAA, which is significantly larger, has over 1,100 member schools and around 500,000 student-athletes across three divisions — I, II and III. The NAIA is made up of 250 members with around 77,000 student-athletes with one division.

LSU Coach Jay Johnson elected to use one of his top two starting pitchers against a 24-32 Little Rock squad and the strategy worked for at least Friday night. See more on WWL and Audacy.