| Wednesday, October 10th, 1956 | Activated 1B Glenn Kennedy from the disabled list. | Wednesday, September 19th, 1956 | Activated 2B Ron Harrison from the disabled list. | Tuesday, August 7th, 1956 | Signed Héctor Morales to a minor league contract with a signing bonus of $3,800. | Sunday, August 5th, 1956 | Signed Pat Roberts to a minor league contract with a signing bonus of $6,300. | Wednesday, July 25th, 1956 | Signed Reed Wilson to a minor league contract with a signing bonus of $22,100. | Monday, July 16th, 1956 | MR Buddy Fuller was designated for assignment and placed on waivers (from active). | Saturday, July 14th, 1956 | Activated SS Jorge Cruz from the disabled list. | SS Jesús Hinojosa was designated for assignment and placed on irrevocable waivers. | Thursday, July 12th, 1956 | Signed George Marshall to a minor league contract with a signing bonus of $22,700. | Thursday, June 21st, 1956 | Signed Arturo López to a minor league contract with a signing bonus of $3,600. | Thursday, March 29th, 1956 | Placed 2B Ron Harrison on the 15-day disabled list. | |
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