| Friday, September 25th, 1970 | Placed MR Ray Bond on waivers. | Saturday, September 12th, 1970 | Placed 3B António Darias on the 60-day disabled list. | Wednesday, August 12th, 1970 | Signed António Ruíz to a minor league contract with a signing bonus of $42,400. | Placed RF Juan Hinojoso on waivers. | Tuesday, July 28th, 1970 | Signed Martín Pacheco to a minor league contract with a signing bonus of $18,000. | Tuesday, July 14th, 1970 | Signed Bill Cook to a minor league contract with a signing bonus of $30,500. | Monday, June 29th, 1970 | Signed Jason Mitchell to a minor league contract with a signing bonus of $90,900. | Sunday, May 31st, 1970 | Activated MR Francisco Gonzáles from the disabled list. | MR Carter Crouch was designated for assignment and placed on waivers (from active). | Sunday, April 5th, 1970 | Activated RF Chia-ch'ing Mo from the disabled list. | Friday, March 27th, 1970 | Placed RF Chia-ch'ing Mo on the 9-day disabled list. | |
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