| Wednesday, September 21st, 1977 | Placed MR Katsumi Kanno on waivers. | Sunday, September 18th, 1977 | Placed MR José Ledezma on waivers. | Saturday, September 17th, 1977 | Placed MR Manuel Patriarco on the 9-day disabled list. | Wednesday, September 14th, 1977 | Placed MR Katsumi Kanno on waivers. | Monday, August 8th, 1977 | Activated CF Pat Graves from the disabled list. | RF Andrew Wooten was designated for assignment and placed on waivers (from active). | Monday, July 25th, 1977 | Signed Steve Steele to a minor league contract with a signing bonus of $420,900. | Wednesday, July 20th, 1977 | Signed Bob Anthony to a minor league contract with a signing bonus of $26,200. | Monday, July 11th, 1977 | Signed Willie O'Day to a minor league contract with a signing bonus of $73,500. | Sunday, July 3rd, 1977 | Signed Raúl Guzmán to a minor league contract with a signing bonus of $19,200. | Friday, June 24th, 1977 | Activated C Jack Major from the disabled list. | C Wilton Baker was designated for assignment and placed on waivers (from active). | Sunday, June 19th, 1977 | Activated MR Katsumi Kanno from the 60-day disabled list. | MR Sam Wright was designated for assignment and placed on waivers (from active). | Sunday, May 15th, 1977 | Activated 3B Júlio Francisco from the disabled list. | SS Ira Walker was designated for assignment and placed on waivers (from active). | Sunday, April 3rd, 1977 | Activated MR Mike Flynn from the disabled list. | Thursday, March 24th, 1977 | Placed MR Mike Flynn on the 9-day disabled list. | Monday, November 15th, 1976 | Activated LF Josh Ellis from the 60-day disabled list. | LF Juan Hinojoso was designated for assignment and placed on waivers (from active). | |
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