← 1979 · 1981 →

1980

55 trades

Trade · 5 playersJanuary 4

Trade · 2 playersJanuary 15

Trade · 2 playersFebruary 15

Gaylord Perry and 3 othersFebruary 15

Jerry Mumphrey and 2 othersFebruary 15

Trade · 2 playersFebruary 20

Jerry Manuel and 1 otherMarch 15

Mike Barlow and 1 otherMarch 17

Ron Washington and 1 otherMarch 26

Eddie Solomon and 1 otherMarch 28

Dave Rader and 2 othersMarch 30

Rusty Staub and 2 othersMarch 31

Odell Jones and 2 othersApril 1

Jason Thompson and 1 otherMay 27

John Martin and 2 othersJune 2

Trade · 2 playersJune 3

Claudell Washington and 1 otherJune 7

Trade · 5 playersJune 10

Trade · 2 playersJune 12

Alan Bannister and 1 otherJune 13

Trade · 2 playersJune 17

Karl Pagel and 2 othersJune 23

Randy Johnson and 1 otherJuly 1

Trade · 2 playersJuly 11

Trade · 2 playersJuly 16

Luis Salazar and 3 othersAugust 5

John D'Acquisto and 2 othersAugust 11

Gaylord Perry and 2 othersAugust 14

Trade · 3 playersAugust 31

Sparky Lyle and 1 otherSeptember 13

Trade · 3 playersSeptember 13

Mike O'Berry and 1 otherOctober 17

Trade · 3 playersOctober 24

Mike Morgan and 1 otherNovember 3

Larry Milbourne and 3 othersNovember 18

Bob Knepper and 2 othersDecember 8

Terry Kennedy and 10 othersDecember 8

Trade · 2 playersDecember 8

Leon Durham and 3 othersDecember 9

Bert Blyleven and 5 othersDecember 9

Carney Lansford and 4 othersDecember 10

Kevin Saucier and 1 otherDecember 10

Cliff Johnson and 2 othersDecember 11

Tony Bernazard and 1 otherDecember 12

Doyle Alexander and 2 othersDecember 12

Joe Strain and 4 othersDecember 12

Héctor Cruz and 1 otherDecember 12

David Green and 6 othersDecember 12

Roy Lee Jackson and 1 otherDecember 12

Trade · 2 playersDecember 12

Rick Honeycutt and 10 othersDecember 12

Trade · 2 playersDecember 12

Trade · 3 playersDecember 15

Trade · 4 playersDecember 15

Trade · 2 playersDecember 19