| 1978 Trades | |||||
| 1 | To Reading: | Moose Haas | 1 | To Homestead: | Mitchell Page |
| 2 | To Sacramento: | Baltimore's 1st rd pick in '78 | 2 | To Baltimore: | Bobby Grich |
| 3 | To Homestead: | Jeff Burroughs, Dave Rozema and Philadelphia's 5th & 8th rd picks in '78 | 3 | To Philadelphia: | Homestead's 3rd rd pick in '78 and 1st & 4th rd picks in '79 |
| 4 | To Baltimore: | Tim Foli | 4 | To St Louis: | Baltimore's 3rd rd pick in '78 |
| 5 | To St Louis: | George Foster | 5 | To Reading: | St Louis' 1st & 3rd rd picks in '78 and 2nd rd pick in '79 |
| 6 | To Reading: | Baltimore's 2nd rd pick in '78 | 6 | To Baltimore: | Ed Figueroa |
| 7 | To Seattle: | Larry Hisle, Terry Forster & Richie Hebner | 7 | To Sioux Falls: | Seattle's 1st & 3rd rd picks in '78 and 6th rd pick in '79 |
| 8 | To Durham: | Dick Ruthven & Jim Norris | 8 | To Baltimore: | Lee Mazzilli |
| 9 | To Reading: | Lance Rautzhan | 9 | To Milwaukee: | Houston's 5th rd pick in '78 |
| 10 | To Sioux Falls: | Durham's 2nd rd pick in '79 | 10 | To Durham: | Seattle's 3rd rd pick in '78 |
| 11 | To Houston: | Tom Seaver | 11 | To Kansas City: | Bill Buckner and Houston's 3rd rd pick in '78 & 1st rd pick in '79 |
| 12 | To Homestead: | Darold Knowles | 12 | To Milwaukee: | Homestead's 4th rd pick in '78 and 6th rd pick in '79 |
| 13 | To Reading: | Garry Templeton | 13 | To Columbus: | Steve Kemp |
| 14 | To Columbus: | Jeff Burroughs, Butch Hobson & Sparky Lyle | 14 | To Homestead: | Dusty Baker & Ken Reitz |
| 15 | To Houston: | Lance Parrish | 15 | To Columbus: | Gary Alexander |
| 16 | To Milwaukee: | Durham's 1st & 6th rd picks in '79 & 4th rd pick in '78 | 16 | To Durham: | Vida Blue & Milwaukee's 6th rd pick in '78 |
| 17 | To Memphis: | Champ Summers, Baltimore's 3rd rd pick in '78 & St Louis' 3rd rd pick in '79 | 17 | To St Louis: | Francisco Barrios & Rick Waits |
| 18 | To St Louis: | Charie Hough, St Paul's 3rd rd pick in '78 & 2nd rd pick in '79 | 18 | To St Paul: | Rick Dempsey |
| 19 | To Homestead: | Jim Palmer & Rick Miller | 19 | To California: | Dennis Leonard & Homestead's 2nd rd pick in '79 |
| 20 | To St Louis: | Dock Ellis & Homestead's 5th rd pick in '79 | 20 | To Homestead: | Baltimore's 5th rd pick in '78 |
| 21 | To Kansas City: | Richie Zisk & Wayne Gross | 21 | To Seattle: | Bobby Murcer & Rico Carty |
| 22 | To Memphis: | Durham's 5th rd pick in '79 | 22 | To Durham: | Memphis' 6th rd pick in '78 |
| 23 | To Durham: | St Louis' 7th rd pick in '78 | 23 | To St Louis: | Durham's 9th rd pick in '78 & 7th rd pick in '79 |
| 24 | To California: | Steve Kemp | 24 | To Columbus: | Omar Moreno |
| 25 | To Homestead: | Scott McGregor | 25 | To Milwaukee: | Dusty Baker, Ruppert Jones & Cliff Johnson |
| 26 | To Reading: | Dick Ruthven & Durham's 4th rd pick in '79 | 26 | To Durham: | Jim Rooker & Reading's 1st rd pick in '79 |
| 27 | To Houston: | Philadelphia's 3rd rd pick in '79 | 27 | To Philadelphia: | John Hiller & Houston's 7th rd pick in '79 |
| 28 | To Hollywood: | Joe Morgan & Bombo Rivera | 28 | To Durham: | Doug Flynn, Johnnie Lemaster & Hollywood's 1st and 2nd rd picks in '79 |
| 29 | To Homestead: | Joe Sambito & Don Stanhouse | 29 | To Hollywood: | Burt Hooton & Darold Knowles |
| 30 | To Sacramento: | Reading's 3rd rd pick in '79 | 30 | To Reading: | Johnny Grubb |
| 31 | To Philadelphia: | Jon Matlack & Elliott Maddox | 31 | To Sacramento: | Philadelphia's 2nd rd pick in '79 |
| 32 | To Baltimore: | St Paul's 1st rd pick in '79 | 32 | To St Paul: | Greg Luzinski |
| 33 | To Durham: | U.L. Washington & Bismarck's 4th rd pick in '79 | 33 | To Bismarck: | Mark Littell & Durham's 3rd & 8th rd picks in '79 |