» March 30, 1955: The Yanks sell P Ewell Blackwell and Tom Gorman, plus reserve IF Dick Kryhoski, to the Kansas City Athletics, now in the AL, for $50,000.
» April 28, 1955:
The Kansas City Athletics sign P Vic Raschi, who has
just been released by the Cardinals. The Athletics
purchase P Lou Sleater from the Yankees for cash.
» June 26, 1958: Hector Lopez of the Kansas City Athletics hits three home runs in a 8–6, 12-inning home win against Washington. His 3rd homer is a 2-run shot to win the game. Roy Sievers almost matches Lopez with two homers.
» April 22, 1959: The White Sox, down 6-1 after two innings, storm back and score 11 runs in the 7th inning on one hit; there are three errors, a near-record 10 walks, a HBP, stolen base, and single in the frame. Kansas City Athletics relief P George Brunet gives up five bases-loaded walks and a bases-loaded HBP, as the White Sox garner just one hit, by John Callison. Jim Landis makes two outs, both grounders to the pitcher, in the strange inning. Nellie Fox drives in two runs in the inning, both times by walking. Fox does collect four hits in the game, while Aparicio has a 3-run homer. There are three other bases-loaded walks as Kansas City loses, 20–6.
» December 6, 1960: A group headed by movie star Gene Autry and former football star Bob Reynolds is awarded the new American League Los Angeles Angels. Fred Haney will be GM. Finley withdraws his bid for Los Angeles and offers to purchase control of the Kansas City Athletics.
» April 25, 1961:
Norm Bass picks up the win for the Kansas City Athletics in a 20–2 rout of the visiting Twins. Norm's brother Dick will pick up 1,000 yards this year for the Rams.
» August 17, 1961:
Charles Finley denies he plans to move the Kansas City Athletics to Texas. "I have no plans to move. We are a Kansas City team, and besides, we have no place to move to." He said he put out no feelers to other cities about moving the A's.
» October 1, 1967:
In a 4–3 loss to the Yankees and Mel Stottlemyre, Dave Duncan hits the last homer for the Kansas City Athletics. The team is relocating to Oakland.