Borgia
Record: 21-7.
Ranking: Unranked
Coach: Robert Struckhoff 322-161 overall, 322-161 at school.
Previous state championships: None.
Road to the Final Four: Beat Lutheran South 7-6 in the sectionals, beat Sikeston 9-6 in the quarterfinals.
Notes: This is Borgia's fourth Final Four appearance in program history. The Knights finished second in 1957, second in Class A in 1975 and fourth in Class A in 1976. This is Borgia's first appearance in the state tournament since winning a Class 3 district title in 2011. The win against Lutheran South advanced the Knights to the quarterfinals for the first time since 2005. Borgia has hit 23 home runs this season, with a team-high seven coming from Spencer Hunter.
Helias
Record: 23-4.
Ranking: No. 2
Coach: Chris Wyrick 378-132 overall, 363-120 at school.
Previous state championships: Class 3A in 1987, 1988, 1989, 2000 and 2001
Road to the Final Four: Beat Marshfield 7-6 in the sectionals, beat Monett 7-0 in the quarterfinals.
Notes: The Crusaders have finished second twice, third twice and fourth twice in addition to their five state titles. Helias is 44-20 (.688) all-time in the state tournament. The 44 wins are the second-most in Missouri history, behind New Bloomfield's 50. Helias trailed Marshfield 6-2 going to the bottom of the seventh inning in its sectional before scoring five runs to rally for the win. The Crusaders lost in the quarterfinal round the last three seasons, all to Aurora. After being No. 6 in the preseason poll, Helias has been No. 2 in the state rankings behind Aurora by the Missouri High School Baseball Coaches Association the entire regular season. No. 1 Aurora lost in its district semifinal.
Savannah
Record: 25-1.
Ranking: No. 4
Coach: Erich Bodenhausen 284-160 overall, 284-160 at school.
Previous state championships: None.
Road to the Final Four: Beat St. Pius X: Kansas City 9-5 in the sectionals, beat Pembroke Hill 7-3 in the quarterfinals.
Notes: Savannah's lone loss came on the first day of the season when it split a doubleheader with St. Joseph Central. The Savages lost 8-4 and won 7-5 that day. Savannah scored in double-digits in 15 of its last 17 games in the regular season. The offense has slowed a bit in the postseason, scoring 24 runs in four games. Savannah finished second in 2011 and third in 2012 in the Class 3 Final Four. The Savages had lost in the Class 4 District 16 semifinals the last five seasons before winning the title this year. They last appeared in the state tournament in 2013, falling to St. Pius X: Kansas City 3-2 in the sectional round.
Westminster Christian
Record: 28-6.
Ranking: No. 3
Coach: Dan Petke 57-9 overall, 57-9 at school.
Previous state championships: 2011 and 2012 in Class 3, 2013 and 2014 in Class 4.
Road to the Final Four: Beat Jennings 12-0 in the sectionals, beat St. Dominic 14-3 in the quarterfinals.
Notes: Westminster Christian is ranked No. 1 in small schools in the St. Louis area by the Post-Dispatch. Jimmy Obertop, a senior catcher and leadoff hitter, will play at Michigan next season. He is hitting .495 with nine home runs and 47 RBI. Westminster Christian lost three of its last five regular-season games. After opening the district tournament with a 1-0 victory, the Wildcats have won their last three games by a combined score of 38-3. Westminster Christian has scored in double-digits 14 times this year, including a 26-0 win against Lutheran North. In four other games, the Wildcats scored nine runs. This is the ninth Final Four appearance for the Wildcats. They were fourth in Class 3 in 2006 before taking third the next two seasons. In 2017, they were third in Class 4.