| Wednesday, September 20th, 1978 | Placed RF Chris Jones on the 9-day disabled list. | Saturday, August 12th, 1978 | Signed Arturo Ferreira to a minor league contract with a signing bonus of $26,700. | Signed Luke Weston to a minor league contract with a signing bonus of $19,700. | Sunday, July 2nd, 1978 | Signed Howard Lewis to a minor league contract with a signing bonus of $83,700. | Thursday, June 22nd, 1978 | Signed Rafael Sierra to a minor league contract with a signing bonus of $53,400. | Wednesday, June 21st, 1978 | Purchased the contract of SP Arturo Colón from Double A Edna. | MR Thomas Muñóz was designated for assignment and placed on waivers (from active). | Saturday, May 6th, 1978 | Purchased the contract of SP Darrell Hood from Triple A Oshawa. | MR Luis García was designated for assignment, placed on waivers and taken off the 40-man roster. | Saturday, April 1st, 1978 | Placed 3B John Beckwith on the 9-day disabled list. | Tuesday, March 21st, 1978 | Placed CF Manuel Marrero on the 9-day disabled list. | Wednesday, October 12th, 1977 | Assigned SS Gary Roberts to Triple A Oshawa. | Signed scouting director Ron Gray to a 3-year, $20,800 per year contract. | |
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