| Thursday, September 21st, 1978 | Activated 2B Kyle Black from the disabled list. | Thursday, September 14th, 1978 | Activated 3B Franklin Pelley from the disabled list. | Friday, September 8th, 1978 | Activated 3B Bernard Jones from the disabled list. | Monday, August 14th, 1978 | Failed to sign 6th round draft pick Jim Taylor. | Wednesday, August 9th, 1978 | Signed David Christensen to a minor league contract with a signing bonus of $88,000. | Tuesday, August 8th, 1978 | Signed Jason Barnett to a minor league contract with a signing bonus of $51,500. | Wednesday, August 2nd, 1978 | Placed 3B Bernard Jones on the 9-day disabled list. | Purchased the contract of 1B Mo Tsou from Triple A Keswick. | Friday, July 21st, 1978 | Signed António Navarro to a minor league contract with a signing bonus of $27,900. | Wednesday, July 19th, 1978 | Placed SP Cole Walker on the 60-day disabled list. | Sunday, July 16th, 1978 | Activated 2B Fletcher Chamberlain from the disabled list. | 1B Jesús Galló was designated for assignment and placed on waivers (from active). | Sunday, July 9th, 1978 | Signed Don Thomas to a minor league contract with a signing bonus of $97,400. | Friday, July 7th, 1978 | Signed Diego Martínez to a minor league contract with a signing bonus of $18,800. | Friday, June 2nd, 1978 | Activated 1B Fletcher Chamberlain from the disabled list. | SS Earl Evans was designated for assignment and placed on waivers (from active). | Monday, May 1st, 1978 | Purchased the contract of LF Wesley Dale from Double A Alice. | RF Dong-joon Yi was designated for assignment, placed on waivers and taken off the 40-man roster. | Wednesday, March 29th, 1978 | Placed LF Chia-ch'ing Mo on the 9-day disabled list. | Sunday, October 23rd, 1977 | Signed team doctor Júlio Souza to a 4-year, $58,100 per year contract. | |
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