Thursday 2/7/1981 :
  Trade with Boston :
   We get :
     RF Greg Harts
     P  Craig Swan
     P  Pete Falcone
   Boston gets :
     P  Vida Blue
     LF Jim Lyttle
     P  Barry Cort
 
    Pete Falcone was promoted from A Thumpers to the active roster.
    Craig Swan was promoted from A Thumpers to the active roster.
    Greg Harts was promoted from A Thumpers to the active roster.
    Billy North was activated from the DL.

 
 Saturday 2/16/1981 :
    Mike Wallace was sent down from the active roster to AAA Greys.

 
 Saturday 3/2/1981 :
     Free agent Test Player has been signed to a contract of
     $0 per year, for 0 years.
  Trade with Cleveland :
   We get :
     P  Eric Show
   Cleveland gets :
     DH Test Player
 

 
 Monday 4/1/1981 :
    Terry Leach was promoted from A Thumpers to AA Seals.
    Terry Leach was promoted from AA Seals to AAA Greys.
    Bob Stoddard was promoted from A Thumpers to AA Seals.
    Bob Stoddard was promoted from AA Seals to AAA Greys.
    Eric Show was sent down from the active roster to AAA Greys.
     Free agent Rob Wilfong has been signed to a contract of
     $273,600 per year, for 1 years.
     Free agent Mike Patterson has been signed to a contract of
     $0 per year, for 0 years.

 
 Monday 4/8/1981 :
  Trade with Cincinnati :
   We get :
     2B Ted Sizemore
   Cincinnati gets :
     3B Elliott Maddox
 
    Ted Sizemore was promoted from AAA Greys to the active roster.

 
 Monday 4/22/1981 :
    Ron Klimkowski was put on the DL.
    Mike Wallace was promoted from AAA Greys to the active roster.

 
 Monday 4/29/1981 :
    Ellis Valentine has been signed to a contract extension,
     $4,000,000 per year, for 5 years.

 
 Monday 5/6/1981 :
  Trade with Los Angeles :
   Los Angeles gets :
     P  Sandy Vance
   We get :
     1B Keith Hernandez
 
    Ollie Brown has been released.
    Darrell Jackson was promoted from AAA Greys to the active roster.

 
 Monday 5/13/1981 :
    Kevin Stanfield has been released.
    Tom Dixon has been released.
    Mike Wallace was sent down from the active roster to AAA Greys.
    Ron Klimkowski was activated from the DL.
  Trade with New York (A) :
   We get :
     DH Test Player
   New York (A) gets :
     P  Jim Palmer
 
    Test Player has been released.
    Eric Show was promoted from AAA Greys to the active roster.

 
 Monday 7/29/1981 :
  Trade with Detroit :
   Detroit gets :
     3B Mike Schmidt
   We get :
     1B Willie Upshaw
 

 
 Monday 9/9/1981 :
    Don Mccormack was promoted from AA Seals to AAA Greys.

 
 Monday 9/16/1981 :
    Joe Keough was put on the DL.