- Source: 1990 Mid-Continent Conference baseball tournament
- 1990 Mid-Continent Conference baseball tournament
- 1991 Mid-Continent Conference baseball tournament
- Summit League
- 1989 Association of Mid-Continent Universities baseball tournament
- Northern Illinois Huskies
- Akron Zips baseball
- Summit League baseball tournament
- Dick Bennett
- IU Indy Jaguars
- Cleveland State Vikings
The 1990 Mid-Continent Conference Tournament took place from May 11 through 14. The top 4 regular season finishers of the league's eight teams met in the double-elimination tournament held in Chicago, Illinois. UIC won the tournament for the first time.
Format and seeding
The top two teams from each division advanced to the tournament. The top seed from each division played the second seed from the opposite division in the second round.
Tournament
All-Tournament Team
= Tournament Most Valuable Player
=Kevin Walker of UIC was named Tournament MVP.