Aug 2
Oakland acquires Carlos Guarate (P)	St. Louis acquires Austin Allen (C) ($705,000)

Aug 1
New York acquires Frankie Montas (SP) ($1,794,650)Lou Trivino (RP) ($1,071,460)	Oakland acquires JP Sears (P)Ken Waldichuk (P)Luis Medina (P)Cooper Bowman (2B)

Jul 9
Tampa Bay acquires Christian Bethancourt (C) ($338,448)	Oakland acquires Cal Stevenson (OF)Christian Fernandez ()

Apr 3
Oakland acquires Euribel Angeles (SS)Adrian Martinez (SP)	San Diego acquires Sean Manaea (SP) ($9,750,000)Aaron Holiday (P)

Mar 16
Toronto acquires Matt Chapman (3B)	Oakland acquires Gunnar Hoglund (P)Kevin Smith (3B)Zach Logue (P)Kirby Snead (P)

Mar 14
Oakland acquires Cristian Pache (CF)Shea Langeliers (C)Joey Estes (P)Ryan Cusick (P)	Atlanta acquires Matt Olson (1B)

Mar 12
Oakland acquires J.T. Ginn (P)Adam Oller (SP)	New York acquires Chris Bassitt (SP)

Nov 19
Tampa Bay acquires cash considerations	Oakland acquires Brent Honeywell (RP)

Jul 30
Oakland acquires Yan Gomes (C) ($2,096,770)Josh Harrison (2B) ($349,440)	Washington acquires Drew Millas (C)Seth Shuman (P)Richard Guasch (P)

Jul 28
Oakland acquires Starling Marte (CF) ($205,489)	Miami acquires Jesus Luzardo (SP)

Jul 26
Oakland acquires Andrew Chafin (RP) ($822,596)	Chicago acquires Greg Deichmann (OF)Daniel Palencia ()

Jul 2
Oakland acquires Sam Moll (RP)	Arizona acquires cash considerations

May 5
Oakland acquires Skye Bolt (CF)	San Francisco acquires cash considerations

Feb 24
Oakland acquires cash considerations	Pittsburgh acquires Dustin Fowler (CF)

Feb 12
Oakland acquires Adam Kolarek (RP)Cody Thomas (OF)	Los Angeles acquires Sheldon Neuse (SS)Gus Varland (P)

Feb 6
Oakland acquires Elvis Andrus (SS)PTBN ()$13.5M cashAramis Garcia (C)	Texas acquires Khris Davis (DH)Jonah Heim (C)Dane Acker (P)

Jan 30
Oakland acquires Cole Irvin (SP)	Philadelphia acquires cash considerations

Jan 14
Oakland acquires Nik Turley (RP)	Pittsburgh acquires cash considerations

Aug 31
Oakland acquires Mike Minor (SP) ($735,210)cash considerations	Texas acquires Dustin Harris (3B)$133,000 of international draft bonus poolMarcus Smith (CF)

Aug 29
Los Angeles acquires Franklin Barreto (SS) ($97,433)	Oakland acquires Tommy La Stella (2B) ($556,928)

Aug 7
Oakland acquires cash considerations	Cincinnati acquires Mark Payton (LF) ($115,255)

Jul 1
Oakland acquires Junior Perez (OF)	San Diego acquires Jorge Mateo (SS)

Feb 16
Oakland acquires Burch Smith (RP)	San Francisco acquires cash considerations

Jan 13
Oakland acquires Tony Kemp (2B)	Chicago acquires Alfonso Rivas (1B)

Dec 14
Oakland acquires Vimael Machin (2B)	Philadelphia acquires cash considerations

Dec 2
Oakland acquires Austin Allen (C)Buddy Reed (OF)	San Diego acquires Jurickson Profar (LF)

Nov 23
Oakland acquires cash considerations	Chicago acquires Jharel Cotton (SP)

Jul 31
Oakland acquires Tanner Roark (SP) ($1,179,543)	Cincinnati acquires Jameson Hannah (OF)

Jul 27
Kansas City acquires Ismael Aquino (P)Dairon Blanco (OF)	Oakland acquires Jake Diekman (RP) ($786,305)

Jul 14
Kansas City acquires Kevin Merrell (SS)	Oakland acquires Homer Bailey (SP) ($232,752)

May 14
New York acquires Kendrys Morales (DH) ($1,494,624)	Oakland acquires future considerations

May 11
Toronto acquires Edwin Jackson (SP)	Oakland acquires cash considerations

Apr 28
Oakland acquires future considerations	Atlanta acquires Jerry Blevins (RP)

Mar 27
Toronto acquires Jesus Lopez ()international bonus pool	Oakland acquires Kendrys Morales (DH) ($12,000,000)

Dec 21
Tampa Bay acquires Emilio Pagan (RP)Rollie Lacy (P)2019 1st round pick (#38)	Oakland acquires Jurickson Profar (LF)	Texas acquires Eli White (OF)Brock Burke (SP)Kyle Bird (RP)Yoel Espinal ()$750,000 of international bonus pool

Nov 20
Oakland acquires Tanner Anderson (RP)	Pittsburgh acquires Wilkins Ramos ()

Sep 20
Detroit acquires Nolan Blackwood (P)Logan Shore|20567	Oakland acquires Michael Fiers (SP) ($1,806,448)

Sep 3
Oakland acquires Aaron Brooks (SP)	Milwaukee acquires cash considerations

Aug 31
Oakland acquires Cory Gearrin (RP) ($279,155)	Texas acquires Abdiel Mendoza (P)Teodoro Ortega ()

Aug 9
Minnesota acquires Dakota Chalmers (SP)	Oakland acquires Fernando Rodney (RP) ($1,188,148)

Aug 5
Oakland acquires Shawn Kelley (RP) ($1,655,920)	Washington acquires cash considerations

Jul 21
Oakland acquires Jeurys Familia (RP) ($2,392,776)	New York acquires Will Toffey (3B)Bobby Wahl (RP)

May 25
Oakland acquires Peter Bayer (P)	Seattle acquires Wilmer Font (RP)

Apr 25
Oakland acquires Wilmer Font (RP)	Los Angeles acquires Logan Salow (P)

Apr 19
Chicago acquires Trayce Thompson (CF)	Oakland acquires cash considerations