| Date |
Transaction Information |
| 1957 |
Signed Jim Duckworth as an amateur free agent. |
| 1957 |
Signed Carl Warwick as an amateur free agent. |
| 1957 |
Signed Mike Brumley as an amateur free agent. |
| 1957 |
Signed Larry Burright as an amateur free agent. |
| 1957 |
Signed Dick Smith as an amateur free agent. |
| 1957 |
Signed Charley Smith as an amateur free agent. |
| 1957 |
Signed Doug Camilli as an amateur free agent. |
| 1957 |
Sent Chuck Coles to Albuquerque (Western). |
| 1957 |
Signed Ed Rakow as an amateur free agent. |
| 1957 |
Returned the rights to Jack Littrell to Portland (PCL). |
| 1957 |
Returned the rights to Ed Mickelson to Portland (PCL). |
| Apr 05, 1957 |
Traded Chico Fernandez to Philadelphia Phillies (NL) in exchange for $75000, Tim Harkness, Mel Geho, Ron Negray, Elmer Valo and a player to be named later. Philadelphia Phillies (NL) sent Ben Flowers (Apr 08, 1957) to complete the trade. |
| May 20, 1957 |
Claimed Bob Kennedy from Chicago White Sox (AL) off waivers. |
| May 23, 1957 |
Traded Don Elston to Chicago Cubs (NL) in exchange for Jackie Collum and Vito Valentinetti. |
| May 26, 1957 |
Purchased Tommy Lasorda from New York Yankees (AL). |
| ~May 30, 1957 |
Purchased Jim Fridley from New York Yankees (AL). |
| Jun 14, 1957 |
Sold Ken Lehman to Baltimore Orioles (AL) for $30000. |
| Jun 15, 1957 |
Purchased Babe Birrer from Baltimore Orioles (AL). |
| Jun 26, 1957 |
Signed Rod Miller as an amateur free agent. |
| Aug 24, 1957 |
Sold Vito Valentinetti to Cleveland Indians (AL). |
| Sep 01, 1957 |
Lost Sal Maglie to New York Yankees (AL) off waivers. |
