| Sunday, January 12th, 1958 | Activated C Sam Duffy from the disabled list. | Thursday, January 9th, 1958 | Received SP Cal Gross from Major League Level Boston. | Tuesday, December 17th, 1957 | Placed C Sam Duffy on the 15-day disabled list. | Tuesday, November 19th, 1957 | Activated 3B Dae-ik Chang from the disabled list. | Wednesday, September 4th, 1957 | Signed Manager Gary Johnson to a 2-year contract extension. | Signed Hitting Coach Chris Clements to a 2-year contract extension. | |
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