 Atlanta Braves
4
 at Pittsburgh Pirates
13
|
Final
|
Game page: Atlanta Braves at Pittsburgh Pirates, Sun, May 4, 1980
|
 Chicago Cubs
2
 at Cincinnati Reds
3
|
Final
|
Game page: Chicago Cubs at Cincinnati Reds, Sun, May 4, 1980
|
Cleveland Indians
8
 at Toronto Blue Jays
9
|
Final (10)
|
Game page: Cleveland Indians at Toronto Blue Jays, Sun, May 4, 1980
|
 Los Angeles Dodgers
12
 at Philadelphia Phillies
10
|
Final
|
Game page: Los Angeles Dodgers at Philadelphia Phillies, Sun, May 4, 1980
|
 San Diego Padres
4
 at New York Mets
3
|
Final
|
Game page: San Diego Padres at New York Mets, Sun, May 4, 1980
|
 San Francisco Giants
8
at Montreal Expos
4
|
Final
|
Game page: San Francisco Giants at Montreal Expos, Sun, May 4, 1980
|
|
Chicago Cubs
4
at Cincinnati Reds
5
|
Final
|
Game page: Chicago Cubs at Cincinnati Reds, Sun, May 4, 1980
|
|
San Diego Padres
2
at New York Mets
6
|
Final
|
Game page: San Diego Padres at New York Mets, Sun, May 4, 1980
|
|
San Francisco Giants
4
at Montreal Expos
6
|
Final
|
Game page: San Francisco Giants at Montreal Expos, Sun, May 4, 1980
|
 Boston Red Sox
3
 at Kansas City Royals
5
|
Final
|
Game page: Boston Red Sox at Kansas City Royals, Sun, May 4, 1980
|
 Houston Astros
4
 at St. Louis Cardinals
2
|
Final
|
Game page: Houston Astros at St. Louis Cardinals, Sun, May 4, 1980
|
 New York Yankees
10
 at Minnesota Twins
1
|
Final
|
Game page: New York Yankees at Minnesota Twins, Sun, May 4, 1980
|
 Detroit Tigers
4
at Oakland Athletics
0
|
Final
|
Game page: Detroit Tigers at Oakland Athletics, Sun, May 4, 1980
|
 Seattle Mariners
3
at California Angels
4
|
Final
|
Game page: Seattle Mariners at California Angels, Sun, May 4, 1980
|
|
Detroit Tigers
0
at Oakland Athletics
1
|
Final
|
Game page: Detroit Tigers at Oakland Athletics, Sun, May 4, 1980
|
|
Cleveland Indians
2
at Toronto Blue Jays
7
|
Final
|
Game page: Cleveland Indians at Toronto Blue Jays, Sun, May 4, 1980
|
 Baltimore Orioles
9
 at Texas Rangers
5
|
Final
|
Game page: Baltimore Orioles at Texas Rangers, Sun, May 4, 1980
|
Milwaukee Brewers 
at Chicago White Sox