Notable RBI Events in 1978
- April 7 - Paul Molitor and Ozzie Smith each make their major league debut.
- April 10 - Don Robinson makes his major league debut.
- June 3 - Mike Heath makes his major league debut.
- June 6 - The following players are taken in the amateur draft: Ryne Sandberg (Philadelphia Phillies, Round 20), Kirk Gibson (Detroit Tigers, Round 1), Mike Witt (California Angels, Round 4)
- August 17 - Juan Berenguer makes his major league debut.
- September 11 - Harry Spilman makes his major league debut.
- September 22 - Pedro Guerrero makes his major league debut.
- Keith Hernandez was awarded his first of 11 consecutive Gold Glove Awards.
- Rick Burleson was stranded at third base during the 1978 playoff game between the Red Sox and Yankees.
- Jim Rice wins the AL MVP Award.
- Lou Whitaker wins the AL Rookie of the Year Award.