| | | Friday, September 15th, 1978 | | Signed manager Travis Lowry to a 5-year, $78,700 per year contract. | | Thursday, September 14th, 1978 | | Fired manager Kel Riley. | | Tuesday, September 12th, 1978 | | Activated SS Dave Day from the disabled list. | | Sunday, August 13th, 1978 | | Signed Sancho Villanueva to a minor league contract with a signing bonus of $104,400. | | Saturday, August 12th, 1978 | | Signed Hunter Rodgers to a minor league contract with a signing bonus of $21,600. | | Tuesday, August 8th, 1978 | | Signed António González to a minor league contract with a signing bonus of $25,700. | | Thursday, July 20th, 1978 | | Signed Dennis Sullivan to a minor league contract with a signing bonus of $72,500. | | Signed Miguel Valentín to a minor league contract with a signing bonus of $36,500. | | Tuesday, July 11th, 1978 | | Signed Will Clark to a minor league contract with a signing bonus of $486,700. | | Tuesday, November 15th, 1977 | | Signed pitching coach Richard Sharp to a 4-year, $27,000 per year contract. | |
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